Refrigeration Cycle

Which of the following is NOT a variation in design for refrigeration cycles?

• Using a flooded evaporator

• Including a receiver after the evaporator

• Including fins in the coiled tube for the evaporator

• Including a separating vessel and a liquid pump to overfeed the evaporator

Tags

NGSS.HS-ETS1-3

NGSS.HS-PS3-3

If a compressor has a volumetric efficiency of 85%, what could be concluded?

• The actual work will be greater than that of the isentropic work

• There is internal friction and heat transfer in the compressor

• The entropy in the compressor outlet is 85% less that of the compressor inlet

• The refrigerant vapor volume flow rate is 85% of the compresor's displacement rate

Which part of the refrigeration cycle would you find in the subcooled zone?

• RMD

• evaporator

• condenser

• compressor

Which part of the refrigeration cycle would you find in the superheated zone?

• RMD

• evaporator

• condenser

• compressor

Which part(S) of the refrigeration cycle would you find in the saturated zone?

• RMD

• evaporator

• condenser

• compressor

What component of the refrigeration cycle is located between point B and C?

• RMD

• condenser

• evaporator

• compressor

What component of the refrigeration cycle is located between point A and B?

• RMD

• condenser

• evaporator

• compressor

Tags

NGSS.HS-PS3-4

What component of the refrigeration cycle is located between point C and D?

• RMD

• condenser

• evaporator

• compressor

Tags

NGSS.HS-PS3-4

Where is the subcooled zone?

• A

• B

• C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

True or false?

Refrigerant changes temperature in the superheated zone

• TRUE

• FALSE