TEST BANK
EPA Section 609 Certification Exam Study Guide |
Complete Test Bank with Verified Questions, Detailed
Answers & Expert Tips | Pass with Confidence
Question:
A refillable refrigerant cylinder must not be filled above ______ of its full capacity.
MULTICHOICES
a. 50%
b. 75%
c. 80%
d. 100%
Correct Answer: c. 80%
,Question:
Which of the following will not react with ozone gas?
MULTICHOICES
a. Bromine
b. Fluorine
c. Chlorine
d. Hydrogen
Correct Answer: b. Fluorine
Question:
_______ has replaced CFC-12 in all automotive applications.
MULTICHOICES
a. R-22
b. HFC-134a
c. R-744
d. HCFC-123
Correct Answer: b. HFC-134a
Question:
Since ______, it has been illegal to vent substitutes for CFC and HCFC refrigerants.
MULTICHOICES
a. Jan 1, 1994
b. Nov 15, 1995
c. Jan 1, 1996
d. Dec 31, 2000
Correct Answer: b. Nov 15, 1995
,Question:
The primary cause of over-pressurization of refrigeration cylinders is due to
overheating.
MULTICHOICES
a. True
b. False
Correct Answer: a. True
Question:
Use of Carbon dioxide (R-744) refrigerant results in a ______ efficiency cycle.
MULTICHOICES
a. Higher
b. Equal
c. Much lower
d. Slightly higher
Correct Answer: c. Much lower
Question:
HFC-134a refrigerant has an Ozone Depletion Potential of:
MULTICHOICES
a. 0.0
b. 0.5
c. 1.0
d. 10.0
Correct Answer: a. 0.0
, Question:
R-134a disposable refrigerant cylinders are ______ color coded.
MULTICHOICES
a. Green
b. Orange
c. Light blue
d. Yellow
Correct Answer: c. Light blue
Question:
Average ozone concentration in Earth's atmosphere as a whole is about ______
parts per million.
MULTICHOICES
a. 0.1
b. 0.3
c. 1.0
d. 10.0
Correct Answer: b. 0.3
Question:
Moisture content in recycled R-134a (HFC-134a) that has been directly removed
from and intended to be returned to a mobile air-conditioning system cannot
exceed _______ by weight.
MULTICHOICES
a. 10 PPM
b. 25 PPM
c. 50 PPM
d. 100 PPM
EPA Section 609 Certification Exam Study Guide |
Complete Test Bank with Verified Questions, Detailed
Answers & Expert Tips | Pass with Confidence
Question:
A refillable refrigerant cylinder must not be filled above ______ of its full capacity.
MULTICHOICES
a. 50%
b. 75%
c. 80%
d. 100%
Correct Answer: c. 80%
,Question:
Which of the following will not react with ozone gas?
MULTICHOICES
a. Bromine
b. Fluorine
c. Chlorine
d. Hydrogen
Correct Answer: b. Fluorine
Question:
_______ has replaced CFC-12 in all automotive applications.
MULTICHOICES
a. R-22
b. HFC-134a
c. R-744
d. HCFC-123
Correct Answer: b. HFC-134a
Question:
Since ______, it has been illegal to vent substitutes for CFC and HCFC refrigerants.
MULTICHOICES
a. Jan 1, 1994
b. Nov 15, 1995
c. Jan 1, 1996
d. Dec 31, 2000
Correct Answer: b. Nov 15, 1995
,Question:
The primary cause of over-pressurization of refrigeration cylinders is due to
overheating.
MULTICHOICES
a. True
b. False
Correct Answer: a. True
Question:
Use of Carbon dioxide (R-744) refrigerant results in a ______ efficiency cycle.
MULTICHOICES
a. Higher
b. Equal
c. Much lower
d. Slightly higher
Correct Answer: c. Much lower
Question:
HFC-134a refrigerant has an Ozone Depletion Potential of:
MULTICHOICES
a. 0.0
b. 0.5
c. 1.0
d. 10.0
Correct Answer: a. 0.0
, Question:
R-134a disposable refrigerant cylinders are ______ color coded.
MULTICHOICES
a. Green
b. Orange
c. Light blue
d. Yellow
Correct Answer: c. Light blue
Question:
Average ozone concentration in Earth's atmosphere as a whole is about ______
parts per million.
MULTICHOICES
a. 0.1
b. 0.3
c. 1.0
d. 10.0
Correct Answer: b. 0.3
Question:
Moisture content in recycled R-134a (HFC-134a) that has been directly removed
from and intended to be returned to a mobile air-conditioning system cannot
exceed _______ by weight.
MULTICHOICES
a. 10 PPM
b. 25 PPM
c. 50 PPM
d. 100 PPM
