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Study MCQ
Refrigeration and Air Conditioning Technician
DIRECT EXPANSION AIR CONDITIONING
Set 1
Set 1
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Q9921
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Which tool is used for descaling the condenser tubes in shell and tube condenser?
A
Steel brush
B
Brass brush
C
Sponge brush
D
Teflon fibre brush
Q9922
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What is the expansion of PMV used in VRV system?
A
Prime Mover Valve
B
Pass Modulate Valve
C
Phase Modulate Valve
D
Pulse Modulating Valve
Q9923
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Which electronic component senses the temperature in indoor unit of VRV system?
A
Resistor
B
Thyristor
C
Transistor
D
Thermistor
Q9924
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Which type of AC system is operated by VRV system?
A
Package AC
B
Central plant AC
C
Multizone split ACs
D
Indirect ACs
Q9925
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Which set of components are used in FCU?
A
Air filter, blower, condenser
B
Compressor, fan, condenser
C
Air filter, cooling coil, blower motor
D
Cooling coil, condenser, fan motor
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