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Study MCQ
Refrigeration and Air Conditioning Technician
COMPRESSOR AND MOTORS
Set 7
Set 7
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Q9876
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What is the reason for swash plate compressor failure in car AC?
A
Oil level is low
B
Oil level is medium
C
Thermostat not working
D
Refrigerant charge normal
Q9877
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Why the top of dome is hot in a scroll compressor?
A
Discharge plenum is at top
B
Suction super heat is less
C
Suction gas not cooled
D
Undercharged system
Q9878
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What is the effect of moist air present inside the hermetic system?
A
Capacity of compressor will increase
B
Less wear and tear in compressor
C
Harmful to the compressor and motor
D
Increase the life of compressor
Q9879
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What is the cause for frequent tripping of circuit breaker while starting a single phase motor?
A
Winding open
B
Winding short
C
Motor belt removed
D
No load on the motor
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