Skillcat EPA 2 Exam with Accurate Solutions

Skillcat EPA 2 Exam with Accurate
Solutions

True - ANS-For the same substance, at the same temperature, the average speed of
molecules in a vapor is the same as the average speed of molecules in a liquid.

Vapor - ANS-As the temperature of a liquid increases, what phase does it turn into?
(Assume constant pressure)


Change state from liquid to vapor
Make your house cooler - ANS-The refrigerant absorbs heat from your indoor air in
order to: (Select all that apply)

Evaporator - ANS-Which component has the opposite function to the condenser?

To increase the pressure - ANS-What is the compressor's job?

To cool the high pressure vapor - ANS-What is the condenser's job

decrease pressure - ANS-What is the function of the metering device?

High pressure vapor - ANS-What is the state of the refrigerant when it enters the
condenser?

High pressure liquid - ANS-When the refrigerant enters the metering device, what state
is it in?

Low pressure liquid - ANS-When refrigerant exits the metering device, what state is it
in?

Superheated Vapor - ANS-When the refrigerant enters the compressor from the
evaporator, what state is it in?

Liquid - ANS-When the refrigerant enters the evaporator, what state is it in?

Vapor - ANS-When the refrigerant exits the evaporator, what state is it in?

Low pressure vapor - ANS-What is the state of the refrigerant when it exits the
evaporator?