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2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] The IT industry includes which of the following? [Answer]
all the above
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] The data accessed by data mining and other analysis techniques is often stored in a _______. [Answer]
data warehousing
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Which of the following is an example of a primary key for a database? [Answer]
social security number
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Software engineers tend to focus on program ____. [Answer]
designing
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Three key concepts ensure good quality of service from a computer system. They include all of the following EXCEPT ____. [Answer]
cost
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] John is considering getting a college degree in the IT field. He is interested in advancement opportunities when he graduates. You should advise him that it would be best to get at least a ____ degree. [Answer]
bachelors
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Through the generations of development of computers, which of the following is NOT a characteristic of what computers have become? [Answer]
less dependable
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] The traditional approach to programming uses a(n) ____ paradigm. [Answer]
procedural
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Which phase of the SDLC is the longest? [Answer]
maintenance
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] A sensor is an example of a(n) ______ device for a robot. [Answer]
input
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Which of the following is NOT an advantage of telecommuting? [Answer]
data security
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] The first commercially successful computer was the ____. [Answer]
UNIVAC
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] In the Planning Phase of the SDLC, a(n) ____ is assigned to analyze and develop the information system. [Answer]
project team
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Considering AI (machines) and humans (the brain), which of the following is FALSE? [Answer]
we know how brain work and we can simulate that in a computer
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] The ____ paradigm attempts to describe a problem without specifying exactly how to arrive at a solution. [Answer]
declarative
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Among the steps you can take to avoid security problems is ____. Question 21 answers [Answer]
keep your firewall updated and activated
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Computers characterized by their use of integrated circuits are considered ____ generation. [Answer]
third
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] A ____ error occurs when the rules of the programming language are not followed. [Answer]
syntax
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Data ____ means that data are separate from the programs used to manipulate the data. [Answer]
independence
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Methods of expressing algorithms include all of the following EXCEPT ________ [Answer]
algorithm code
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] They want to avoid the risks of a direct conversion to a new information system because they have no backup for their current system. Which type of conversion would allow them to continue to use the old system during the conversion process? [Answer]
parallel conversion
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Jane knows she must implement a step-by-step plan that describes the methods her business will use to secure data against disaster, and the guidelines that will be used to recover lost data if a disaster occurs. She will have to create a(n) ____. [Answer]
disaster recovery plan
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Who proposed a test for intelligent behavior of machines that is considered to be the early work in artificial intelligence? [Answer]
Alan Turing
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] The figure shown above represents computer and software marketing channels. In that figure, Box C represents ____. Question 29 answers [Answer]
mail-order suppliers
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] A(n) _______ could be used to replicate how a specialist diagnoses lung cancer. [Answer]
expert system
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] ___________ is the study of safe and efficient work environments. [Answer]
Erogonomics
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Which of the following is NOT a guideline for creating a template for reports? [Answer]
present as much information as possible
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] A table's ____ order is the order in which records are stored on disk. [Answer]
sort
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] As a manager, you are responsible for managing inventory. Every month you receive a low inventory report that lists stock items that have fallen below a minimum reorder point. This report is a type of ____. [Answer]
exception report
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] A ____ language uses command words and grammar based on human language. [Answer]
high-level
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] A common threat to the data stored on a corporate information system is an act of war, which includes all of the following EXCEPT ____. [Answer]
human error
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] SQL allows users to______ a database. [Answer]
all the above
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] In the world of databases, a(n) ____ refers to a collection of data fields. [Answer]
record
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] ____ help(s) programmers apply rigorous logical and mathematical models to software design. [Answer]
formal methods
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Neural networks are used in AI to improve the computer’s ability to perform ______ tasks. [Answer]
recognition
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Criminals have become sophisticated in the use of all of the following EXCEPT ____ to access data stored on personal computers. [Answer]
ATM's
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] A ____ control structure tells a computer what to do in a step by step manner. [Answer]
sequence
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] The electronic device used to decode messages encrypted by the Germans was the ____. [Answer]
COLOSSUS
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Which of the following database models excels in representing items that have slightly different attributes? [Answer]
object
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Antivirus software is an example of a ____ security measure. [Answer]
detection activity
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] A(n) ____ helps people make decisions by directly manipulating data, analyzing data from external sources, generating statistical projections, and creating data models of various scenarios. [Answer]
DSS
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Robots are best for performing all of the following activities EXCEPT ___________. [Answer]
calculating pay for thousands of employees.
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Object-oriented languages that are popular today include ____. [Answer]
all the above
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] A ____ breaks a complex task into a series of subtasks. [Answer]
Work Breakdown Structure (WBS)
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
2ab77b55_ashcards_about_COMPUTER_SCI_m3__Answer
[Question] Which of the following suggestions is NOT considered good advice for reducing the risk of career repercussions if you want to be a whistleblower? [Answer]
Go right to the top of the chain of command.
[]
Flashcards about COMPUTER SCI m3
Answer
http://www.studystack.com/flashcard-418379
8/1438042988511.77_20150728002308-00277-ip-10-236-191-2_745119296_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] To obtain an accurate vacuum readings during system evacuation, the system vacuum gauge should be located: [Answer]
as far from the vacuum pump as possible
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] When moisture exists in an operating system, which of the following is the most likely occur? [Answer]
Acid will form.
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] What factor(s) affects the speed of evacuation? [Answer]
1)The size of the equipment being evacuated 2)The ambient temperature 3)The amount of moisture in the system
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] A system is dehydrated to: [Answer]
Remove water and water vapor
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] The evacuation of a system is a method of: [Answer]
dehydration
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] When evacuating a sytsem, the hoses should be: [Answer]
equal to or larger than vacuum pump inlet connection
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] Measuring the system's final vacuum is always with: [Answer]
the system isolated and the vacuum pump off
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] Refrigerant vapors or mist should not be inhaled because: [Answer]
they may cause heart irregularities and/or unconsciousness
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] A refillable refrigerant cylinder must never be filled to more than _____ of its capacity by weight: [Answer]
80%
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] Refrigerant cylinders should always be: [Answer]
1) free of rust and damage 2) color coded to indicate the contents 3) secure
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] Which safety precautions(s) should always be followed: [Answer]
1) Never apply an open flame to a refrigerant cylinder 2) Never cut or weld any refrigerant line when refrigerant is in the line 3) Never use oxygen to purge lines or to pressurize a system
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] When using recovery unit, the fill level of the recovery tank can be controlled by: [Answer]
1) a mechanical float switch 2) an electronic shut-off device 3) weight
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] Whenever dry nitrogen from a portable cylinder is connected to a system, what item is of most importance in consideration of safety? [Answer]
There is a relief valve in the downstream line from the pressure regulator
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] Ozone depletion potential, or "ODP" is: [Answer]
A measure of the ability of CFCs' and HCFCs' to destroy ozone
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] An example of an HCFC refrigerant is: [Answer]
R-22
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] When transporting cylinders containing used refrigerant, the DOT requires that you: [Answer]
attach DOT classification tags
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] It is necessary to place a refrigerant label on: [Answer]
a refrigerant cylinder which is being returned for reclaiming
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] Refrigeration technicians who violate the Clean Air Act can: [Answer]
1) lose their EPA certification 2) be fined 3) be required to appear in Federal court
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] The type of oil that is most commonly used in stationary refrigeration applications with HFC-134a refrigerant is: [Answer]
ester oil
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] In a vapor compression refrigeration system, cooling occurs when: [Answer]
refrigerant liquid turns to a vapor
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] _________refers to the process of cleaning refrigerant by oil separation and single or multiple passes through filter-driers, which reduce moisture and acidity? [Answer]
recycling
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] According to the EPA, a _______ leak detection methods is considered to be the most effective for locating the general area of a small leak [Answer]
Electronic or Ultrasonic tester
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] When a system will not hold a vacuum after it has been evacuated, then: [Answer]
the system may be leaking
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] We dealing with small systems, how many different refrigerants may be recovered into the same cylinder? [Answer]
only one
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] If the EPA regulations should change after a technician becomes certified: [Answer]
it is the technician's responsibility to comply with any future changes in the law
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] The EPA Section 608 certification must be renewed every: [Answer]
The EPA certification has no expiration date
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] You are changing the compressor of a system containing 12 pounds R-410A. Your recycling equipment was manufactured AFTER November 15, 1993. You must reach a vacuum of at leas ____ inches of vacuum with the recovery or recycling machine [Answer]
0
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] Recovery or recycling equipment which was manufactured after November 15, 1993 and is used to recover refrigerant from small appliances prior to disposal of the small appliances must be used to: [Answer]
1) recover 80% of the refrigerant in an appliance's compressor is inoperative. 2) recover 90% of the refrigerant in an appliance if the appliance's compressor is operational
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] Technicians with a Type I small appliance certification are certified to recover refrigerant during the maintenance, service or repair of: [Answer]
packaged terminal air conditioners ("PTACs) with 5 pounds or less of refrigerant
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] A Very-High-Pressure appliance is one that uses a refrigerant with a liquid phase saturation pressure above 305 psia at 104F. This definition includes but is not limited to appliances using which of the refrigerants listed below: [Answer]
1) R-410A 2) R-13 3) R-503
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] The sale of refrigerant is: [Answer]
restricted to technicians who are EPA certified in refrigerant recovery
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] For which of the following refrigeration systems/appliances would it be permissible to use a passive recovery device for refrigerant recovery? [Answer]
a domestic refrigerator
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] EPA regulations require the capture of at least 80% of the refrigerant from a small appliance with a non-operating compressor if the technician is using: [Answer]
1) a system-dependent (passive) recovery unit 2) a self-contained (active) recovery unit
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] When ever nitrogen is used to pressurize or blow debris out of the system: [Answer]
only nitrogen vapor should be used
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] A recovery cylinder which is half full of recovered R-22 at normal room temperature (about 75F), in the absence of non-condensables, will be pressurized to: [Answer]
130 psig
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] Small amounts of refrigerant have no odor, therefore if a pungent odor is detected during a system recovery and/or repair: [Answer]
a compressor burn-out has likely occurred
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] If a reclamation processing plant is given a recovery tank containing a mixture of refrigerants, they can: [Answer]
1) refuse to process the refrigerant and return it 2) agree to destroy the refrigerant, but typically a substantial fee is charged for the destruction
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] When ever nitrogen is used to pressurize or blow debris out of the system, the nitrogen: [Answer]
can be vented
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] When R-500 is recovered from an appliance, it: [Answer]
must be recovered into its own recovery vessel (or a recovery cylinder that already contains some R-500)
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] A standard vacuum pump designed specifically for evacuation and dehydration can: [Answer]
be only used as a recovery device in combination with a non-pressurized container
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] A recovery cylinder which is half full of recovered R-500 at normal room temperature (about 75F), in the absence of non-condensables, will be pressurized to: [Answer]
95 psig
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] After installing and opening a piercing access valve, if the system pressure is ____ do not begin the recovery procedure [Answer]
0 psig
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] When using a passive-dependent recovery process, you should access both the high and low side of the system for the refrigerant recovery if __________. [Answer]
the system's compressor does not run
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] A refrigerant that can be used as a direct service "drop-in" substitute for R-22 in a small appliance is: [Answer]
None of the above (R-410A, R134a, R-141b)
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] When transporting refrigerants, DOT (Department of Transportation) Regulation number 49 CFR requires ____________ to be recorded on the shipping papers for hazard class 2.2, Nonflammable compressed Gases? [Answer]
number of cylinders of each gas
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] If a large leak of refrigeration occurs in an enclosed area and no self-contained breathing apparatus is available, then the technician should: [Answer]
vacate and ventilate the spill area
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] Large spills of refrigerants can cause suffocation because: [Answer]
they are heavier than air and displace oxygen
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] When using any equipment or servicing any system that has schraeder valves, it is "critical" to: [Answer]
1) inspect the schraeder valve core for bends and breakage 2) replace any damaged schraeder valve core to prevent leakage 3) can the schraeder ports to prevent accidental depression of the valve core
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
371f8548_Flashcards_about_EPA__Answer
[Question] If R-12 or R-22 are exposed to high temperature, (from open flames or glowing hot metal surfaces for example), these refrigerant can decompose to form: [Answer]
hydrochloric and hydrofluoric acids
[]
Flashcards about EPA
Answer
http://www.studystack.com/flashcard-374705
8/1438042988511.77_20150728002308-00318-ip-10-236-191-2_744257428_3.json
aff492c2_ards_about_WAN_and_Remote_Conn__Answer
[Question] asymmetrical [Answer]
The characteristic of a transmission technology that affords greater bandwidth in one direction (either from the customer to the carrier, or vice versa) than in the other direction.
[]
Flashcards about WAN and Remote Conn
Answer
http://www.studystack.com/flashcard-397002
8/1438042986022.41_20150728002306-00285-ip-10-236-191-2_741285037_3.json
aff492c2_ards_about_WAN_and_Remote_Conn__Answer
[Question] asymmetrical DSL [Answer]
A variation of DSL that offers more throughput when data travels downstream, downloading from a local carrier’s switching facility to the customer, than when it travels upstream, uploading from the customer to the local carrier’s switching facility.
[]
Flashcards about WAN and Remote Conn
Answer
http://www.studystack.com/flashcard-397002
8/1438042986022.41_20150728002306-00285-ip-10-236-191-2_741285037_3.json
aff492c2_ards_about_WAN_and_Remote_Conn__Answer
[Question] asynchronous [Answer]
A transmission method in which data being transmitted and received by nodes does not have to conform to any timing scheme. In asynchronous communications, a node can transmit at any time and the destination node must accept the transmission as it comes.
[]
Flashcards about WAN and Remote Conn
Answer
http://www.studystack.com/flashcard-397002
8/1438042986022.41_20150728002306-00285-ip-10-236-191-2_741285037_3.json
aff492c2_ards_about_WAN_and_Remote_Conn__Answer
[Question] ATM (Asynchronous Transfer Mode) [Answer]
A Data Link layer technology standardized by the ITU in the mid-1990s. ATM relies on fixed packets, called cells, that each consist of 48 bytes of data plus a 5-byte header. ATM relies on virtual circuits and establishes a connection before sending data.
[]
Flashcards about WAN and Remote Conn
Answer
http://www.studystack.com/flashcard-397002
8/1438042986022.41_20150728002306-00285-ip-10-236-191-2_741285037_3.json
aff492c2_ards_about_WAN_and_Remote_Conn__Answer
[Question] authentication [Answer]
The process of comparing and matching a client’s credentials with the credentials in the NOS user database to enable the client to log on to the network.
[]
Flashcards about WAN and Remote Conn
Answer
http://www.studystack.com/flashcard-397002
8/1438042986022.41_20150728002306-00285-ip-10-236-191-2_741285037_3.json
aff492c2_ards_about_WAN_and_Remote_Conn__Answer
[Question] B channel [Answer]
In ISDN, the “bearer” channel, so named because it bears traffic from point to point.
[]
Flashcards about WAN and Remote Conn
Answer
http://www.studystack.com/flashcard-397002
8/1438042986022.41_20150728002306-00285-ip-10-236-191-2_741285037_3.json