608 core
HCFCs contain; A Chlorine, Fluorine, and Carbon B Hydrogen, Chlorine, Fluorine, and Carbon C Hydrogen, Fluorine, and Carbon D Hydrogen, Fluorine, and Olefin
B
An ozone molecule contains; A One oxygen atom B Two oxygen atoms C Three oxygen atoms D Four oxygen atoms
C
Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for; A Recovery cylinders B One pound cans C Disposable cylinders D Accumulator cylinders
C
The molecule found in CFCs and HCFCs that deletes ozone is
Chlorine
Which of the following refrigerant has a GWP closest to "1"? A R-22 B R-134a C R-410A D R-1233zd
D
Which of the following refrigerants is an HFO R22 R134a R410a R1234ze
R1234ze
HFCs ________; A will not damage stratospheric ozone, but have a high GWP. B will damage stratospheric ozone and have a low GWP. C will not deplete stratospheric ozone and have a low GWP. D are only harmful to ground level ozone.
A
A refrigerant cylinder designed to hold recovered refrigerant has a: A yellow body and grey top. B grey body and yellow top. C green body and yellow top. D orange body and grey top.
B
The chlorine in CFCs and HCFCs; A will dissolve in water. B will not dissolve in water. C will rain out of the atmosphere. D is heavier than air and cannot rise to the stratosphere.
B
The compressor ____________________________________ A changes a high-pressure vapor to a high-pressure liquid. B changes a low-pressure vapor to a high-pressure vapor. C changes a high-pressure liquid to a low-pressure liquid. D changes a low-pressure liquid to a low-pressure vapor.
B
The low-side test-pressure data-plate value should be used by a technician to determine a safe pressure for: A recovering refrigerant. B leak testing. C refrigerant charging. D retrofitting a system.
B
To process refrigerant to a level equal to new (virgin) product specifications as determined by chemical analysis defines; A Recovery B Reclaiming C Reuse D Recycle
B
Which ASHRAE classification means slightly flammable? A A1 B A2L C A3 D B1
B
Which international agreement (Treaty) regulated the production and use of CFCs, HCFCs, halons, methyl chloroform and carbon tetrachloride? A Kyoto Treaty B Montreal Protocol C Council of Nicaea D Treaty of Ghent
B
Reusable refrigerant containers under high-pressure must be hydrostatically tested how often? A 1 year B 3 years C 5 years D 7 years
C
Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants? A HCFCs B CFCs C HFOs D HFCS
C
Which type of refrigerant contains no chlorine? A HCFCs B HCFC Blends C HFCs D CFCs
C
A single chlorine atom can destroy how many ozone molecules? A 100 B 1,000 C 10,000 D 100,000
D
Clean refrigerant for reuse by separating the oil from the refrigerant and removing moisture from the refrigerant by passing it through one or more filter driers, is the definition of; A Recover B Reclaim C Reuse D Recycle
D
How much can a person be fined per day per violation for knowingly releasing a regulated substance that violates the Clean Air Act? A $10,000 B $25,000 C $37,000 D $44,539
D
Question # 7 The molecule found in CFCs and HCFCs that depletes ozone is: A Fluorine B Hydrogen C Carbon D Chlorine
D
Which of the following has the highest Ozone Depletion Potential? A HFOs B HCFCs C HFCs D CFCs
D
What is the Significant New Alternatives Policy(SNAP) Program
EPA program that identifies refrigerants with lower overall risk to human health and the environment
HCFC contain
Hydrogen chlorine fluorine and carbon
The condenser ___________
changes a high pressure vapor to a high pressure liquid
Recover any remaining refrigerant and then render the cylinder useless , then recycle the metal is the proper disposal method for ;
disposable cylinders
