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Study MCQ
Refrigeration and Air Conditioning Technician
COMPRESSOR AND MOTORS
Set 3
Set 3
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Q9856
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Which type of rotor is used in 3 Phase induction motor?
A
Squirrel cage rotor
B
Shaded pole rotor
C
Laminated rotor
D
Solid rotor
Q9857
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What is the temperature set in thermostat that stops the compressor motor?
A
Cut in
B
Range
C
Cut out
D
Differential
Q9858
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Which lubricant oil is used in swash plate of R 134a compressor?
A
Servo 20
B
POE
C
SAE - 40
D
Mineral oil
Q9859
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Which valve is closed during compression stroke in reciprocating compressor?
A
Service valve
B
Liquid line valve
C
Discharge valve
D
Suction valve
Q9860
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Which gas is used for pressure testing the compressor dome?
A
Air
B
Oxygen
C
Nitrogen
D
Refrigerant
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