HAC vocabulary quiz 16

What is the function of a refrigerant control in a refrigeration system?

• To attract refrigerant to oil

• To meter the amount of refrigerant to an evaporator

• To divide the high and low pressure sides of the system

• To produce a refrigerating effect

What does a refrigerant distributor do in an evaporator coil?

• It meters equal quantities of refrigerant to independent circuits

• It divides the high and low pressure sides of the system

• It produces a refrigerating effect

• It attracts refrigerant to oil

What is refrigerant migration in a refrigeration system?

• The total amount of refrigerant required by a system for correct operation

• The expansion or vaporization of refrigerant

• The movement of refrigerant through the system to the compressor crankcase during the off-cycle

• The attraction of refrigerant to oil

What is the purpose of a refrigerant operating charge in a system?

• To produce a refrigerating effect

• To meter the amount of refrigerant to an evaporator

• To provide the total amount of refrigerant required for correct operation

• To divide the high and low pressure sides of the system

What causes refrigerant migration in a refrigeration system?

• The movement of refrigerant through the system to the compressor crankcase during the off-cycle

• The total amount of refrigerant required by a system for correct operation

• The expansion or vaporization of refrigerant

• The attraction of refrigerant to oil