EPA Practice Test (608 Core) 1

Question 1

In very high pressure appliances, what type of refrigerant is used?

Accepted Answer

R-503

Answer

R-50

Answer

R-410A

Answer

R-500

Question 2

Which of the following devices is at the liquid line's end?

Accepted Answer

Expansion Device

Answer

Compressor

Answer

Evaporator

Answer

Condenser

Question 3

How much money does the EPA give to those who report other
individuals who release refrigerants into the atmosphere?

Accepted Answer

$10,000

Answer

$25,000

Answer

$5,000

Answer

7000

Question 4

Which of the following refrigerant groups does R-22 belong to?

Accepted Answer

HCFC

Answer

HFC

Answer

CFC

Answer

All of the above

Question 5

When inspecting for leaks in various systems, which gas should be used?

Accepted Answer

Nitrogen

Answer

Carbon

Answer

Oxygen

Answer

Hydrogen

Question 6

Which of the following terms best describes the process of changing a refrigerant from a liquid to a gas through the use of heat?

Accepted Answer

Latent Heat

Answer

Sub Heat

Answer

Condensation

Answer

Total Heat

Question 7

In a medium-pressure appliance, which of the following refrigerants is used:

Accepted Answer

R-500

Answer

R-11

Answer

R-503

Answer

R-410A

Question 8

Which of the following has the least amount of ozone depletion potential:

Accepted Answer

HFC

Answer

HCFC

Answer

CFC

Answer

All will have same depletion potential

Question 9

What phase and condition are the refrigerants in the suction line?

Accepted Answer

Cold Vapor

Answer

Hot vapor

Answer

Cold Liquid

Answer

Warm Liquid

Question 10

The ozone layer in the stratosphere extends how many miles above the Earth's surface?

Accepted Answer

31

Answer

41

Answer

21

Answer

45