Quiz on Vapour Compression Cycle

What is the primary function of the compressor in the vapour compression cycle?

• To absorb heat from the surroundings

• To condense the refrigerant into a liquid

• To expand the refrigerant

• To change the pressure of the refrigerant

Which type of compressor uses cylinders and pistons for compression?

• Scroll compressor

• Centrifugal compressor

• Reciprocating compressor

• Rotary compressor

What happens to the density of a gas when it is compressed in a cylinder?

• It increases

• It decreases

• It evaporates

• It remains the same

What is the role of the expansion valve in the vapour compression cycle?

• To condense the refrigerant

• To separate high-pressure and low-pressure parts

• To absorb heat from the environment

• To increase the pressure of the refrigerant

In which step does the refrigerant lose heat and condense into a liquid?

• Step 3

• Step 2

• Step 4

• Step 1

What is the state of the refrigerant after it passes through the evaporator?

• It is a high-pressure liquid

• It is a low-pressure vapour

• It is a low-pressure liquid

• It is a high-pressure vapour

What is the purpose of the heat collector unit in the cycle?

• To condense the refrigerant

• To absorb heat from the surroundings

• To expand the refrigerant

• To compress the refrigerant

What happens to the temperature of the refrigerant as it is compressed?

• It remains constant

• It decreases

• It increases

• It evaporates

What is the first step in the vapour compression cycle?

• The refrigerant evaporates

• The refrigerant expands

• The refrigerant is compressed

• The refrigerant condenses

What is the effect of increasing pressure on the boiling point of a liquid?

• It decreases the boiling point

• It increases the boiling point

• It causes the liquid to freeze

• It has no effect