ESCO EPA UNIVERSAL PRACTICE EXAM UPDATED QUESTIONS AND CORRECT ANSWERS.

ESCO EPA UNIVERSAL PRACTICE
EXAM UPDATED QUESTIONS AND
CORRECT ANSWERS.




Which ASHRAE classification means slightly flammable?
A-A1
B-A2L
C-A3

D-B1 - ANS B


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 - ANS D


The molecule found in CFCs and HCFCs that depletes ozone is:
A-Fluorine
B-Hydrogen
C-Carbon

D-Chlorine - ANS D


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,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. - ANS A


Which type of refrigerant contains no chlorine?
A-HCFCs
B-HCFC Blends
C-HFCs

D-CFCs - ANS C


The condenser _______________________________________
A-changes a high-pressure vapor to a high-pressure liquid.
B-changes a low-pressure vapor to a low-pressure liquid.
C-changes a high-pressure liquid to a low-pressure liquid.

D-changes a low-pressure liquid to a low-pressure vapor. - ANS A


Which of the following has the highest Ozone Depletion Potential?
A-HFOs
B-HCFCs
C-HFCs

D-CFCs - ANS D


The compressor ____________________________________
A-changes a high-pressure vapor to a high-pressure liquid.
B-changes a low-pressure vapor to a high-pressure vapor.


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, C-changes a high-pressure liquid to a low-pressure liquid.

D-changes a low-pressure liquid to a low-pressure vapor. - ANS B


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. - ANS B


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 - ANS D


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. - ANS B


Before shipping any used refrigerant cylinders, check that the cylinder meets what standards:
A-Department of Transportation
B-The Significant New Alternatives Policy (SNAP)
C-Underwriters Laboratories

D-All of the above - ANS A



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