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38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | The amount of friction loss is proportional to what? [onboard, static, pressurized] | the amount of water moving through it | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What is an additional factor in pressure loss when drafting? [onboard, static, pressurized] | the inertia of water. as the water begins to move through the pump a certain amount of energy is consumed in getting the water art rest to begin to move and increase its velocity sufficiently to supply the amount of water needed | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | For a 1500gpm pump the max suction hose size and max number of suctions lines is what? [onboard, static, pressurized] | 6" max suction hose with max number of lines 1 | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | A pumper that is normally rated at 750gpm with a 4-1/2" supply suction hose is being supplied with a 5-inch hose, the capacity if all other factors remain the same of the pump is now what? [onboard, static, pressurized] | 820gpm | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | The totral pressure available to overcome all pressure losses when drafting is limited to what? [onboard, static, pressurized] | 14.7psi, atmospheric pressure | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Atmospheric pressure decreases how much for every 1000ft of elevation gain? [onboard, static, pressurized] | 0.5psi | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | The max vacuum that most pumps develop is what? [onboard, static, pressurized] | 22inches of mercury | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | If an attempt to increase the vacuum beyond the intake limit is made what can it cause? [onboard, static, pressurized] | cavitation of the pump | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What is cavitation? [onboard, static, pressurized] | the condition where, in theory, water is being discharged from the pump faster than it is coming in | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What is cavitation described as? [onboard, static, pressurized] | the pump running away from the water | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | When does cavitation occur? [onboard, static, pressurized] | when air cavities are crested in the pump or bubbles pass through the pump. they move to the point of highest vacuum into the pressurized section where they collapse or fill with fluid | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What is a scientific explanation of cavitation? [onboard, static, pressurized] | as the pressure drops below atmospheric pressure the boiling point of water drops to the point that liquid changes to a vapor and creates a bubble of water vapor or steam. as the vapor passes through the impeller of the pump, the pressure increases, the vapor condenses, and waster rushes in to fill the void | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What things affect the point at which cavitation begins? [onboard, static, pressurized] | temperature of water, height of lift, the amount of water being discharged | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What are indications that a pump is caveating? [onboard, static, pressurized] | hose streams will pulsate, the pressure gauge on the pump will fluctuate, a popping or sputtering should may be heard as water leaves the nozzle. in severe cases the pump will be noisy, sounding like gravel is passing through it | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What is the best indication of cavitation? [onboard, static, pressurized] | the lack of reaction on the pressure gauge to changes in the setting of the throttle | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | When the pump is discharging all of the water that the atmospheric pressure or other pressure source can force into the intake what is happening? [onboard, static, pressurized] | cavitation | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | When water is being discharged from the pump faster than it can be taken in, the increasing rpm does not do what? [onboard, static, pressurized] | increasing pump rpm will not increase discharge pressure when there is no more water available to be supplied | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Cavitation often results when a pump has been equipped with what? [onboard, static, pressurized] | inadequate piping from the water tank for the amount of flow | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Cavitation damage can be even more severe when? [onboard, static, pressurized] | when operating at relatively high pressure | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Selecting a drafting site is dictated by what factors? [onboard, static, pressurized] | amount of water, type of water, accessibility of water | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What is the most important factor in the choice of draft site? [onboard, static, pressurized] | amount of water | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | In order for a pumper to approach its rated capacity using traditional strainer, there should be a minimum of how many feet of water over the strainer? [onboard, static, pressurized] | 2ft | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | When drafting what can cause a whirlpool to form? [onboard, static, pressurized] | rapid movement of water when the strainer is not 2ft under water | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What can be used to prevent a whirlpool effect? [onboard, static, pressurized] | a wooden board, capped plastic bottle or beach ball may be placed above the strainer | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What is a disadvantage to using a floating strainer? [onboard, static, pressurized] | it can take water in on only one side | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Water below or above what temp may adversely impact the pumps ability to reach capacity? [onboard, static, pressurized] | blow 35 degrees or above 90 degrees F | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | In freezing climates ater several feet blow the surface may be how much warmer? [onboard, static, pressurized] | 5-10 degrees | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Where is warmer water found? [onboard, static, pressurized] | near discharges of power plant cooling towers, and should be avoided being used | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Pumping what type of water can be harmful to the pump? [onboard, static, pressurized] | untreated, non potable water | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What kind of water is common in the vicinity of coal mines [onboard, static, pressurized] | sulfur | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | After using unpotable water in the pump what should you do? [onboard, static, pressurized] | flush it with clean water | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What type of water should you avoid filling the tank with? [onboard, static, pressurized] | unpottable | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What can be added to the water when flushing the pump? [onboard, static, pressurized] | antifreeze | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What is the most common type of contamination in water when drafting? [onboard, static, pressurized] | dirty or sandy water | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Sand acts as an abrasive the the area between what in the pump? [onboard, static, pressurized] | the clearance rings and the hub of the impeller | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Abrasion quickly increases the spacing in the pump to an intolerable amount which causes what? [onboard, static, pressurized] | increased slippage from the discharge back into the intake and reduces the capacity of the pump | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | As dirty water passes through the pump it is forces into where by what? [onboard, static, pressurized] | the packing by discharge pressure | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | When the packing becomes contaminated by dirt what happens? [onboard, static, pressurized] | it can no longer be adjusted to form a good seal, this causes air leaks at the intake side of the pump and reduces its ability to draft | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | When drafting, as the amount of lift increases what occurs? [onboard, static, pressurized] | elevation pressure increases, less friction loss can be overcome, capacity of the pump is decreased | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | All fire pumps meeting NFPA and Underwriter/s Laboratories requirements are rated to pump their capacity at what? [onboard, static, pressurized] | 10feet of lift | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | For effective operation the max lift considered reasonable for most departments is what? [onboard, static, pressurized] | about 20ft | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | At 20ft of lift the amount of water that can be supplied is only about what of the rated capacity of the pump? [onboard, static, pressurized] | 60percent | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What is more important, low hose length or low lift? [onboard, static, pressurized] | it is important to keep lift as low as possible. it would be better to lay out an extra 100ft of supply line and set up in lower lift | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Routing hard intake hose over a fence or railing that is higher than the level of the pump intake may do what? [onboard, static, pressurized] | leave a highpoint that traps air in the hose | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | If drafting on a two stage pump what should the pump be set in when priming? [onboard, static, pressurized] | parallel (volume) | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Before you begin priming make sure what? [onboard, static, pressurized] | all drains and valves are closed and that unused intake and discharge openings are capped to make the pump as airtight as possible | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Most priming pumps are intended to work best when the engine is set between what rpm? [onboard, static, pressurized] | 1000 and 1200rpm | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | When the master gauge registers a vacuum reading it should be what per foot of lift? [onboard, static, pressurized] | 1inch for each 1foot of lift | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | As the primer operates the vacuum reading increases and what forces whiter into the hard intake hose? [onboard, static, pressurized] | atmospheric pressure | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Priming action should not be stopped until when? [onboard, static, pressurized] | all the air has been removed and the primer is discharging a steady stream of water | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | In drafting, as the pump fills with water a pressure indication shows on what? [onboard, static, pressurized] | the master discharge gauge | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | The entire priming action typically requires how long? [onboard, static, pressurized] | 10-15sec | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | When using no more than 20ft of hard intake hose lifting a max of 10 vertical ft it should not take longer than what to get a prime? [onboard, static, pressurized] | 30sec, 45 on pumps larger than 1250gpm | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | If a prime has not been achieved in 30secs do what? [onboard, static, pressurized] | stop priming and check to find out what the problem is | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What is the most common cause of inability to prime? [onboard, static, pressurized] | an air leak that prevents the primer from developing enough vacuum to successfully draft water | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What are the most common source of leaks? [onboard, static, pressurized] | open drains and valves | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What is another name for the bypass valve? [onboard, static, pressurized] | booster cooling valve | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Other than air leaks what are some other things that can prevent being able to hold a prime when drafting? [onboard, static, pressurized] | insufficient fluid in the priming reservoir, engine speed is too low, lift is too high, a high point in the hard intake hose is creating an air pocket | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | When drafting, after getting a prime increased throttle pressure is needed to boost the pressure to what? [onboard, static, pressurized] | between 50 and 100psi | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | After getting a prime when drafting open the discharge slowly, if pressure drops below 50psi do what? [onboard, static, pressurized] | stop for a moment and let it stabilize, if the valve is opened too quickly it can allow air to enter the pump and cause it to loose its prime. if pressure keeps on dropping open the primer to eliminate any air that may be trapped | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | The vacuum to initially prime the pump comes from what? [onboard, static, pressurized] | the primer | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Once the pump begins to operate the primer is no longer used. At this point what maintains the vacuum? [onboard, static, pressurized] | the movement of water | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | When no water is being discharged in a drafting situation even the smallest air leak may result in loss of vacuum. How can this be prevented? [onboard, static, pressurized] | the same methods as for preventing overheating prevents this, including discharge a booster line back into the static water source with the booster line tied down to some immovable object | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | If the priming device fails to operate it may be possible to use what to achieve a prime? [onboard, static, pressurized] | the vehicles water in the tank, this can sometimes be done by using the tank water to fill the pump and intake hose sufficiently to allow a prime | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What is the most demanding type of pump operation? [onboard, static, pressurized] | operating from draft | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What is a signal that another pumper should be used for drafting? [onboard, static, pressurized] | any deviation from normal engine temperature | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What are the problems that can occur when operating from draft? [onboard, static, pressurized] | air leak on the intake side of the pump, whirlpool allowing air to enter the pump, air leakage due to defective packing in the pump | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What are the most common problems when drafting? [onboard, static, pressurized] | air leaks on the intake side of the pump | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | How do you know if air is coming into the pump with water when drafting? [onboard, static, pressurized] | discharge pressure gauge begins to fluctuate with a corresponding loss of vacuum on the intake gauge | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | If there is an air leak when drafting where is the first place to look? [onboard, static, pressurized] | the intake hose | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What can prevent a whirlpool when drafting? [onboard, static, pressurized] | a beach ball or other floating object above the strainer | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What type of strainer should be used in shallow water where whirl pooling is a problem? [onboard, static, pressurized] | floating dock strainer | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | A gradual increase in the vacuum reading with no change in flow rate while drafting is a sign of what? [onboard, static, pressurized] | possible blockage occurring | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Other than objects externally what can cause drafting intake hose to develop blockage? [onboard, static, pressurized] | the inner liner can become detached and collapse on itself | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Exceeding the capacity of the pump leads to what? [onboard, static, pressurized] | cavitation | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Upon arrival at a sprinklered property preparations should be immediately made to what? [onboard, static, pressurized] | supply the fdc | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | What do the sprinkler fire department connections consist of? [onboard, static, pressurized] | at least two 2-1/2"" female connections, or one large diameter sexless connection that is connected to a clappered inlet. water flows through the valve to a check valve | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | A minimum of what should be connected to the fdc? [onboard, static, pressurized] | 2 2-1/2 hoselines | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | It is a general rule that one, how many rpm rated pumper should supply the fdc for every how many sprinklers that are estimated flowing? [onboard, static, pressurized] | one 1000gpm pumper for every 50heads | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | In most cases what should be done before pumping into the sprinkler system? [onboard, static, pressurized] | confirm the presence of fire | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | If an unknown amount of sprinklers are going off the pump pressure should be what? [onboard, static, pressurized] | 150psi | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Smoke getting cooled by the water from they sprinkler system does what to the smoke? [onboard, static, pressurized] | causes it to loose its buoyancy, hindering size-up because of low visibility | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | In a sprinklered building control valves should be opened except when? [onboard, static, pressurized] | in the case where it is known that the building or area has been undergoing construction or renovation affecting the sprinklers, opening it could cause a loss of water to the system | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Firefighters assigned to open control valves should carry what? [onboard, static, pressurized] | flashlight and radio | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Standpipes are used for what? [onboard, static, pressurized] | to speed fire attack in multistory buildings with large floor areas | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | When should fire personnel use house or standpipe lines? [onboard, static, pressurized] | not unless a hose testing program similar to the one used to test all fire department hose is implemented | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | House lines are intended to be use by who? [onboard, static, pressurized] | building occupants, not firefighters, firefighters should bring their own attack lines when they enter a properly protected with standpipes | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Dry pipe standpipe systems get their water from where? [onboard, static, pressurized] | supplied from a pumper that attaches to the standpipe fdc | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Standpipe fdc should be clearly identified why? [onboard, static, pressurized] | to prevent confusion between sprinkler and standpipe connection | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Do wet standpipe systems have an fdc? [onboard, static, pressurized] | yes, they should be used to supply water under pressure to suppliant the system's water supply | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | Pump discharge pressures in excess of what are not encouraged in standpipes? [onboard, static, pressurized] | 200psi, unless the standpipe has been designed to withstand higher pressures | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | When a standpipe system is known to be equipped with pressure reducing valves the election pressure used must be based on what? [onboard, static, pressurized] | the total height of the standpipe or the zone being used | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | If a standpipe fire department connection is totally unusable because of vandalism what can be done? [onboard, static, pressurized] | the riser at the first floor can be charged at the first floor level by attaching a double female to the valve at the first floor, or a ladder pipe can be raised to the desired floor and used as an exterior standpipe | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
38e15097__DO_CH11_Flashcards___Cram_com__onboard__static__pressurized | As a last resort what can you do if the standpipe is not available? [onboard, static, pressurized] | supply how can be laid up the interior stairwell to take the place of the standpipe | [] | IFSTA DO CH11 Flashcards - Cram.com | onboard, static, pressurized | http://www.cram.com/flashcards/ifsta-do-ch11-2157640 | 31/1438042988924.75_20150728002308-00240-ip-10-236-191-2_396957232_0.json |
6dc4fbff_ily_Test_Flashcards___Cram_com__in_noncommittal_relationships_ | [People in committed relations] Love | reflects positive factors. | [] | Marriage and Family Test Flashcards - Cram.com | have higher levels of satisfaction than those in noncommittal relationships. | http://www.cram.com/flashcards/marriage-and-family-test-2100779 | 31/1438042988924.75_20150728002308-00242-ip-10-236-191-2_393549355_0.json |
6dc4fbff_ily_Test_Flashcards___Cram_com__in_noncommittal_relationships_ | [People in committed relations] Commitment | Commitment reflects stable factors | [] | Marriage and Family Test Flashcards - Cram.com | have higher levels of satisfaction than those in noncommittal relationships. | http://www.cram.com/flashcards/marriage-and-family-test-2100779 | 31/1438042988924.75_20150728002308-00242-ip-10-236-191-2_393549355_0.json |
6dc4fbff_ily_Test_Flashcards___Cram_com__in_noncommittal_relationships_ | [People in committed relations] A prototype | is a model. | [] | Marriage and Family Test Flashcards - Cram.com | have higher levels of satisfaction than those in noncommittal relationships. | http://www.cram.com/flashcards/marriage-and-family-test-2100779 | 31/1438042988924.75_20150728002308-00242-ip-10-236-191-2_393549355_0.json |
6dc4fbff_ily_Test_Flashcards___Cram_com__in_noncommittal_relationships_ | [People in committed relations] Rapport- | feeling of ease and understanding of each other | [] | Marriage and Family Test Flashcards - Cram.com | have higher levels of satisfaction than those in noncommittal relationships. | http://www.cram.com/flashcards/marriage-and-family-test-2100779 | 31/1438042988924.75_20150728002308-00242-ip-10-236-191-2_393549355_0.json |
6dc4fbff_ily_Test_Flashcards___Cram_com__in_noncommittal_relationships_ | [People in committed relations] Self-Revelation | disclosure of intimate feelings | [] | Marriage and Family Test Flashcards - Cram.com | have higher levels of satisfaction than those in noncommittal relationships. | http://www.cram.com/flashcards/marriage-and-family-test-2100779 | 31/1438042988924.75_20150728002308-00242-ip-10-236-191-2_393549355_0.json |
6dc4fbff_ily_Test_Flashcards___Cram_com__in_noncommittal_relationships_ | [People in committed relations] Mutual Dependence | need for each other to share pleasures, fears, laughter. | [] | Marriage and Family Test Flashcards - Cram.com | have higher levels of satisfaction than those in noncommittal relationships. | http://www.cram.com/flashcards/marriage-and-family-test-2100779 | 31/1438042988924.75_20150728002308-00242-ip-10-236-191-2_393549355_0.json |
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