Liquid and suction line components

Which should be fitted after a compressor burnout?

• a) Oil separator

• a)     Solenoid valve

• a)     TEV

• Suction drier

A suction line drier is primarily fitted to remove

•  Acid

• b)     Copper particles

• Oil

• Wax

What device is used to protect the compressor flood back

• a)     EPR

• a)     Oil separator

• c) Suction line accumulator

• a)     CPR

An Evaporator Pressure Regulator (EPR) is designed to

• a) Maintain a minimum evaporating temperature

• a)     Maintain a minimum evaporator superheat

• a)     Maintain a constant subcooling value

• Maintain a constant crankcase pressure

5)          A Evaporator Pressure Regulator (EPR) is designed to

• a.      Maintain a constant crankcase pressure

• a.      Maintain a constant subcooling value

• c. Maintain a minimum evaporating pressure

• a.      Maintain a minimum evaporator superheat

A Crankcase Pressure Regulator (CPR) is designed to

• Limit the pressure leaving the compressor

• Maintain a constant condensing pressure

• Maintain a constant pressure in the crankcase

• Limit the pressure returning to the compressor

The liquid line solenoid valve is what type of valve

• Permanent magnet

• Modulating

• Electro magnetic

• Thermostatic

Which is the recommended order of the liquid line components?

• Mag valve/sight glass/drier

• Mag valve/drier/sight glass

• Sight glass/mag valve/drier

• Drier/ mag valve/sight glass

“Rule of thumb” how many degrees of liquid line subcooling would be expected

• 2^oC

• 15^oC

• 7^oC

• 5oC

Which contaminate is most likely to form if moisture enters the system

• a)     Carbon particles

• b) Acid

• a)     Wax

• a)     Sludge