Compressors 03302 Study guides, Class notes & Summaries

HVAC lvl 2 Compressors 03302 (25 Questions) Test with Verified Solutions Floodback happens when what enters the crankcase of the compressor? A. Water B. Liquid refrigerant C. Vapor refrigerant D. Acid - Answer-B. Liquid refrigerant What component helps protect the compressor from floodback? A. Oversized expansion valve. B. Crankcase heater C. Motor burn out switch. D. Suction line. - Answer-B. Crankcase heater What value is used when adjusting the CPR so that the ...

COMPRESSORS 03302 FOR EXAM REVIEW QUESTIONS WITH ALL CORRECT ANSWERS Centrifugal Compressor - Answer-which compressor often uses multiple stages of compression to increase the pressure difference Cyclinder unloading - Answer-what capacity control method is popular with open and semi hermetic reciprocating compressors Piston displacement - Answer-the compressor displacement equals the rpm of the drive motor multiplied by the Refrigerant Bypass Method - Answer-to control capacity, scrol...

HVAC Level 2 03302 Compressors Exam Questions with Correct Answers Line-duty device - Answer-A motor protection device that senses current flow and temperature in the motor windings. If an overload occurs, it opens the motor winding circuit to remove the line voltage. Pilot-duty device - Answer-A protection device that senses current overload or excessive temperature within the motor and opens the contactor control circuit to stop the motor. Positive-displacement compressor - Answer-Any ...

COMPRESSOR MODULE 03302 TEST QUESTIONS WITH ANSWERS Which compressor type has the motor separated from the compressor? - Answer-Open Drive compressor What happens in a reciprocating compressor when the piston reaches its lowest point - Answer-The suction valve closes Oil scoops can be found in a - Answer-Reciprocating compressor Which type of compressor has no suction valve but does use a discharge valve - Answer-Rotary compressor What is unique about the internal discharge tempera...

HVAC 03302 EXAM QUESTIONS WITH REVISED ANSWERS A simple capacity control method that provides capacity steps of 2550 and 75 using a plug valve can be found on - Answer-screw compressor Slide valves allow screw compressors to vary capacity from - Answer-full capacity 100% to 10% Throttling valves are used for capacity control on - Answer-Centrifugal compressor Flooded starts might be traced back to a - Answer-Failed crankcase heater Freezing of a systems expansion device is an indic...