MULTI SPLIT AC AND CAR AIR CONDITIONING - Practice Mode

1) What is the cause for noisy fan motor in outdoor unit of split AC?

Bearing worn out Motor Burnt Shaft struck Blade bent

Correct Answer: Bearing worn out

2) How the pressure drop of refrigerant flow is minimised during installation of indoor and outdoor units in ductable split AC?

Pipe lines with more joints With more horizontal distance System pipes with minimum bends Install units as far as possible

Correct Answer: System pipes with minimum bends

3) What is the reason for poor condensation in split AC?

High ambient temperature Low ambient temperature Condenser tube leaky Blower motor failure

Correct Answer: High ambient temperature

4) What is the effect on defective thermostat sensor in split AC?

Unit consumes less power Increases super heat AC unit runs continuously Relay malfunctions

Correct Answer: AC unit runs continuously

5) What is the reason for air conditioner running continuously but no cooling effect ?

Condensation poor Refrigerant is more Refrigerant leaked Over charged oil

Correct Answer: Refrigerant leaked

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