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

Heat transfer rate

Power consumption

Discharge pressure

Refrigerant flow rate

Answer is:

Heat transfer rate

Window Air Conditioner MCQ with Answers

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18) 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

Answer is:

Stop the high starting current by both motors

19) 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

Answer is:

Single phase double end shaft motor

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

Main winding

Starting winding

Running winding

Auxiliary winding

Answer is:

Starting winding

21) Where the normally closed contacts are internally connected in voltage relay?

Across 1 and 5

Across 2 and 5

Across 1 and 2

Across 2 and 4

Answer is:

Across 1 and 2

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

Heat transfer rate

Window Air Conditioner MCQ with Answers

Related Window Air Conditioner MCQ with Answers

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

Stop the high starting current by both motors

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

Single phase double end shaft motor

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

Starting winding

21) Where the normally closed contacts are internally connected in voltage relay?

Across 1 and 2

Window Air Conditioner MCQ with Answers