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Refrigeration and Air Conditioning Technician
MOBILE AIR CONDITIONING
Set 5
Set 5
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Q10111
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What are the controls connected in series with the magnetic clutch of compressor in car AC?
A
Thermostat, LPC, HPC
B
LPC, Blower Fan Motor
C
HPC, Condenser Fan Motor
D
Thermostat, Condenser Fan Motor
Q10112
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What is the function of magnetic clutch in an automobile air conditioner?
A
Check Rpm of engine shaft
B
Check Rpm of compressor shaft
C
Start and stop the evaporator blower
D
Start and stop the compressor electro magnetically
Q10113
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What are the three pressure actuated electrical control switches connected in series in an automobile air-conditioner?
A
LPC, HPC and Blower-switch
B
Thermostat, Electromagnetic clutch, on-off control
C
Thermostat, Thermostatic expansion valve, Blower-switch
D
Thermostat, Low-pressure control and high pressure control
Q10114
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What is the reason for water dripping inside the AC bus?
A
Drain pan is leak proof
B
Leakage of evaporator coil
C
Poor insulation at the bottom of drain pan
D
Worn out shock absorbers on the bus wheels
Q10115
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What is the effect of sludge in car AC?
A
Chokes the orifice of TEV
B
Blocks the orifice of AEV
C
Closes the orifice of TEEV
D
Closes the orifice of capillary
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