EPA SECTION 608-MODULE 0119 TECHNICIAN CERTIFICATION
EXAM | QUESTIONS AND ANSWERS | VERIFIED ANSWERS |
LATEST EXAM
The over-evacuation of a system: - CORRECT ANSWER - does not occur
According to the ASHARE refrigerant safety classification standard, which of
the following designations would be the safest? - CORRECT ANSWER - A1
What does ozone in the stratosphere above the earth consists of? - CORRECT
ANSWER - molecules containing 3 oxygen atoms
How many ozone molecules can each chlorine atom in the stratosphere destroy?
- CORRECT ANSWER - 100,000 molecules
Approved refrigerant recovery cylinders can be identified by which color code?
- CORRECT ANSWER - Grey Tops and Yellow Bodies
Which type of refrigerant has the highest ozone depletion potential (ODP?) -
CORRECT ANSWER - CFCs
Which type if lubricants are HFO refrigerants miscible in? - CORRECT
ANSWER - POE lubricants
Which refrigerant does not contain chlorine? - CORRECT ANSWER - R-134a
, When transporting cylinders containing used refrigerant, DOT requires that you:
- CORRECT ANSWER - Attach DOT classification tags
What is one of the most serious results of damage to the stratospheric ozone
layer? - CORRECT ANSWER - increased rates of skin cancer in humans
What evidence demonstrates that chlorine in the stratosphere is primarily from
man-made chemicals rather than from natural sources such as volcanoes? -
CORRECT ANSWER - Samples of air taken from the stratosphere over
erupting volcanoes show that volcanoes contribute a small quantity of chlorine
to the stratosphere compared to CFC's and HCFC's
What is being done in the U.S. to stop damage to the stratospheric ozone layer?
- CORRECT ANSWER - Phasing out the use of chlorofluorocarbons and
hydrochlorofluorocarbons
How should disposable cylinders of CFCs, HCFCs, and HFCs be discarded? -
CORRECT ANSWER - Recover all remaining refrigerant, render the cylinders
useless, and recycle the metal.
In addition to fines and being required to appear in court, what penalty can be
imposed on service technicians who violate Clean Air Act provisions? -
CORRECT ANSWER - They may lose their certification
From which of the following does the ozone layer protect the earth? -
CORRECT ANSWER - ultraviolet radiation from the sun
Which refrigerant(s) must be recovered before opening or disposing of
appliances? - CORRECT ANSWER - All three listed (HFC's, CFC's, HCFC's)
Under EPA's regulations, what standards must reclaimed refrigerant meet before
it can be resold? - CORRECT ANSWER - AHRI 700
EXAM | QUESTIONS AND ANSWERS | VERIFIED ANSWERS |
LATEST EXAM
The over-evacuation of a system: - CORRECT ANSWER - does not occur
According to the ASHARE refrigerant safety classification standard, which of
the following designations would be the safest? - CORRECT ANSWER - A1
What does ozone in the stratosphere above the earth consists of? - CORRECT
ANSWER - molecules containing 3 oxygen atoms
How many ozone molecules can each chlorine atom in the stratosphere destroy?
- CORRECT ANSWER - 100,000 molecules
Approved refrigerant recovery cylinders can be identified by which color code?
- CORRECT ANSWER - Grey Tops and Yellow Bodies
Which type of refrigerant has the highest ozone depletion potential (ODP?) -
CORRECT ANSWER - CFCs
Which type if lubricants are HFO refrigerants miscible in? - CORRECT
ANSWER - POE lubricants
Which refrigerant does not contain chlorine? - CORRECT ANSWER - R-134a
, When transporting cylinders containing used refrigerant, DOT requires that you:
- CORRECT ANSWER - Attach DOT classification tags
What is one of the most serious results of damage to the stratospheric ozone
layer? - CORRECT ANSWER - increased rates of skin cancer in humans
What evidence demonstrates that chlorine in the stratosphere is primarily from
man-made chemicals rather than from natural sources such as volcanoes? -
CORRECT ANSWER - Samples of air taken from the stratosphere over
erupting volcanoes show that volcanoes contribute a small quantity of chlorine
to the stratosphere compared to CFC's and HCFC's
What is being done in the U.S. to stop damage to the stratospheric ozone layer?
- CORRECT ANSWER - Phasing out the use of chlorofluorocarbons and
hydrochlorofluorocarbons
How should disposable cylinders of CFCs, HCFCs, and HFCs be discarded? -
CORRECT ANSWER - Recover all remaining refrigerant, render the cylinders
useless, and recycle the metal.
In addition to fines and being required to appear in court, what penalty can be
imposed on service technicians who violate Clean Air Act provisions? -
CORRECT ANSWER - They may lose their certification
From which of the following does the ozone layer protect the earth? -
CORRECT ANSWER - ultraviolet radiation from the sun
Which refrigerant(s) must be recovered before opening or disposing of
appliances? - CORRECT ANSWER - All three listed (HFC's, CFC's, HCFC's)
Under EPA's regulations, what standards must reclaimed refrigerant meet before
it can be resold? - CORRECT ANSWER - AHRI 700
