EPA 608 Certification Complete Exam
Study Questions with 100% Correct
Answers Already Graded A+ |
Guarantee Pass
1. As of what date did it become unlawful to release Class 1 and Class II
refrigerants to the atmosphere?
a. July 1, 1992
b. July 1, 1993
c. November 14, 1994
d. January 1, 1996 - ANSWER a. July 1, 1992
2. Name the refrigerant types that belong to CFCs, HCFCs and HFCs
a. CFC R-11, R-12, R-500
b. HCFC R-22, R-123
c. HFC R-134a
d. All of the above are correct - ANSWER d. All of the above are
correct
3. The rule of thumb for refilling approved cylinders is a maximum of ___
percent
liquid?
a. 60%
b. 79%
c. 80%
d. 90% - ANSWER c. 80%
4. What do the letters in "HCFC" stand for?
, a. High Carbon Fluorine Chlorine
b. hydrochlorofluorocarbons
c. Harmful Carbon Fluorine Chlorine
d. highchlorinefluorocarbon - ANSWER b. hydrochlorofluorocarbons
5. To recover refrigerant is to?
a. Remove a refrigerant in any condition from a system in either an
active or passive manner, and store it in an external container
without necessarily testing or processing
b. Reduce contaminants in used refrigerant by oil separation through filter
dryers.
c. Reprocess refrigerant to new product specifications
d. Remove refrigerant and change ownership. - ANSWER a. Remove a
refrigerant in any condition from a system in either an
active or passive manner, and store it in an external container
without necessarily testing or processing
6. What is ODP?
a. Oxygen Destruction Properties
b. Ozone Depletion Potential
c. Ozone Destruction Properties
d. Oxygen Depletion Potential - ANSWER b. Ozone Depletion
Potential
7. Name some of the health and environmental effects of ozone depletion.
a. Increased Temperature of the Earth
b. Increased Cases of Skin Cancer
c. Increased numbers of Cataracts in the eyes
d. All the above - ANSWER d. All the above
,8. The condition and state of the refrigerant leaving a receiver is?
a. Subcooled liquid
b. Subcooled vapor
c. Superheated vapor
d. Superheated liquid. - ANSWER a. Subcooled liquid
9. What evidence do we have that CFCs and HCFCs are depleting the ozone?
a. The rise in the amount of chlorine measured in the stratosphere over
the
past two decades matches the rise in the amount of fluorine.
b. The rise in the amount of chlorine measured in the stratosphere over the
past two decades matches the rise in CFC emissions over the same
period.
c. Samples of air taken from the stratosphere over erupting volcanoes show
that volcanoes contribute a small quantity of chlorine to the stratosphere
compared to CFCs.
d. All the above - ANSWER d. All the above
10.What is the ozone layer and why is it important to us on Earth?
a. Thin layer of R-22 in the atmosphere that filters UV.
b. Protective shield for Earth from the sun's harmful ultraviolent (UV)
rays in the stratosphere layer that extends about 6 to 30 miles above
earth
c. Thin layer of CFC and HCFC in the atmosphere that filters UV.
d. Protective layer that shields UV in the Troposphere - ANSWER b.
Protective shield for Earth from the sun's harmful ultraviolent (UV)
rays in the stratosphere layer that extends about 6 to 30 miles above
earth
, 11.The atom found in CFC and HCFC refrigerants that destroys ozone in the
stratosphere is?
a. Fluorine
b. Carbon
c. Hydrogen
d. Chlorine - ANSWER d. Chlorine
12.What is an ozone molecule made of?
a. Refrigerant
b. Ammonia
c. Three oxygen atoms (O3).
d. Oxygen and ammonia. - ANSWER Three oxygen atoms (O3).
13.Which refrigerant is a CFC?
a. R-134A
b. R-123
c. R-22
d. R-12 - ANSWER d. R-12
What is the name of the atom that attacks ozone molecules?
a. CFC atoms
b. HCFC atoms
c. Chlorine and bromine atoms emitted into the atmosphere
d. a and b - ANSWER c. Chlorine and bromine atoms emitted into the atmosphere
Which refrigerant is a HFC?
a. R-134A
b. R-123
Study Questions with 100% Correct
Answers Already Graded A+ |
Guarantee Pass
1. As of what date did it become unlawful to release Class 1 and Class II
refrigerants to the atmosphere?
a. July 1, 1992
b. July 1, 1993
c. November 14, 1994
d. January 1, 1996 - ANSWER a. July 1, 1992
2. Name the refrigerant types that belong to CFCs, HCFCs and HFCs
a. CFC R-11, R-12, R-500
b. HCFC R-22, R-123
c. HFC R-134a
d. All of the above are correct - ANSWER d. All of the above are
correct
3. The rule of thumb for refilling approved cylinders is a maximum of ___
percent
liquid?
a. 60%
b. 79%
c. 80%
d. 90% - ANSWER c. 80%
4. What do the letters in "HCFC" stand for?
, a. High Carbon Fluorine Chlorine
b. hydrochlorofluorocarbons
c. Harmful Carbon Fluorine Chlorine
d. highchlorinefluorocarbon - ANSWER b. hydrochlorofluorocarbons
5. To recover refrigerant is to?
a. Remove a refrigerant in any condition from a system in either an
active or passive manner, and store it in an external container
without necessarily testing or processing
b. Reduce contaminants in used refrigerant by oil separation through filter
dryers.
c. Reprocess refrigerant to new product specifications
d. Remove refrigerant and change ownership. - ANSWER a. Remove a
refrigerant in any condition from a system in either an
active or passive manner, and store it in an external container
without necessarily testing or processing
6. What is ODP?
a. Oxygen Destruction Properties
b. Ozone Depletion Potential
c. Ozone Destruction Properties
d. Oxygen Depletion Potential - ANSWER b. Ozone Depletion
Potential
7. Name some of the health and environmental effects of ozone depletion.
a. Increased Temperature of the Earth
b. Increased Cases of Skin Cancer
c. Increased numbers of Cataracts in the eyes
d. All the above - ANSWER d. All the above
,8. The condition and state of the refrigerant leaving a receiver is?
a. Subcooled liquid
b. Subcooled vapor
c. Superheated vapor
d. Superheated liquid. - ANSWER a. Subcooled liquid
9. What evidence do we have that CFCs and HCFCs are depleting the ozone?
a. The rise in the amount of chlorine measured in the stratosphere over
the
past two decades matches the rise in the amount of fluorine.
b. The rise in the amount of chlorine measured in the stratosphere over the
past two decades matches the rise in CFC emissions over the same
period.
c. Samples of air taken from the stratosphere over erupting volcanoes show
that volcanoes contribute a small quantity of chlorine to the stratosphere
compared to CFCs.
d. All the above - ANSWER d. All the above
10.What is the ozone layer and why is it important to us on Earth?
a. Thin layer of R-22 in the atmosphere that filters UV.
b. Protective shield for Earth from the sun's harmful ultraviolent (UV)
rays in the stratosphere layer that extends about 6 to 30 miles above
earth
c. Thin layer of CFC and HCFC in the atmosphere that filters UV.
d. Protective layer that shields UV in the Troposphere - ANSWER b.
Protective shield for Earth from the sun's harmful ultraviolent (UV)
rays in the stratosphere layer that extends about 6 to 30 miles above
earth
, 11.The atom found in CFC and HCFC refrigerants that destroys ozone in the
stratosphere is?
a. Fluorine
b. Carbon
c. Hydrogen
d. Chlorine - ANSWER d. Chlorine
12.What is an ozone molecule made of?
a. Refrigerant
b. Ammonia
c. Three oxygen atoms (O3).
d. Oxygen and ammonia. - ANSWER Three oxygen atoms (O3).
13.Which refrigerant is a CFC?
a. R-134A
b. R-123
c. R-22
d. R-12 - ANSWER d. R-12
What is the name of the atom that attacks ozone molecules?
a. CFC atoms
b. HCFC atoms
c. Chlorine and bromine atoms emitted into the atmosphere
d. a and b - ANSWER c. Chlorine and bromine atoms emitted into the atmosphere
Which refrigerant is a HFC?
a. R-134A
b. R-123
