MOBILE AIR CONDITIONING - Practice Mode

1) Where the sensor bulb of Thermostatic Expansion Valve is clamped?

Liquid Line Suction Line Discharge Line Inside the compressor

Correct Answer: Suction Line

2) Which type of short cycling is avoided by the design of blower housing in car AC?

Oil Air Moisture Lubricant

Correct Answer: Air

3) Which operating condition opens the HPC control switch in car AC?

If evaporator pressure exceeds safe limit If there is continuous rain outside If condenser pressure exceeds safe limit If there is continuous air velocity

Correct Answer: If condenser pressure exceeds safe limit

4) What is the differential of low pressure cut out control switch? If LPC cuts out at 2.2kg/ cm² and LPC cut in at 2.4kg/ cm²

0.8 kg/ cm2 0.4 kg/ cm2 0.2 kg/ cm2 0.1 kg/ cm2

Correct Answer: 0.2 kg/ cm2

5) What is the absolute pressure of gas cylinder if the gauge reads 15.3 p.s.i.g?

10 p.s.i.a 20 p.s.i.a 30 p.s.i.a 40 p.s.i.a

Correct Answer: 30 p.s.i.a

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