MULTI SPLIT AC AND CAR AIR CONDITIONING - Practice Mode

1) Which material is used for making service valve?

Brass Cast iron Aluminium Stainless steel

Correct Answer: Brass

2) What is the purpose of providing gas ballast in two stage rotary vacuum pump?

Avoid condensation of water vapour Prevent condensation of nitrogen Prevent condensation of dry air Avoid condensation of refrigerant

Correct Answer: Avoid condensation of water vapour

3) What is the use of anemometer?

Check water flow Measure air flow Produce current Measure voltage

Correct Answer: Measure air flow

4) Which insulating material is used in duct work?

Wood Plastic Rubber Glass wool

Correct Answer: Glass wool

5) Which device switches ON/OFF the car AC compressor?

Crank shaft Blower unit Rotor winding Magnetic clutch

Correct Answer: Magnetic clutch

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