WINDOW AIR CONDITIONER - Practice Mode

1) What is the purpose of relay used in window air conditioner?

Disconnect the starting capacitor Disconnect the running capacitor Disconnect the fan capacitor Disconnect the winding

Correct Answer: Disconnect the starting capacitor

2) Which is increased by the fins of condenser tubes in window air conditioner?

Heat transfer rate Power consumption Discharge pressure Refrigerant flow rate

Correct Answer: Heat transfer rate

3) What is the purpose of operating the fan motor first and then the compressor motor in Air conditioners?

Cool the coils first by fan Cool the compressor by fan Minimise the noise of motors Stop the high starting current by both motors

Correct Answer: Stop the high starting current by both motors

4) Which type of fan motor is used in window air conditioner?

Three phase single shaft motor Single phase single shaft motor Three phase double end shaft motor Single phase double end shaft motor

Correct Answer: Single phase double end shaft motor

5) Which winding of compressor motor is directly connected across voltage relay coil?

Main winding Starting winding Running winding Auxiliary winding

Correct Answer: Starting winding

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