CONDENSER EXPANSION VALVE AND EVAPORATOR - Practice Mode

1) Which type of drier filter is suitable for HFC refrigerants?

Molecular sieve type Activated alumina Activated carbon Silica gel

Correct Answer: Molecular sieve type

2) What is the purpose of chemical spraying on finned condenser?

Flush out the condenser tubes Remove the rust on the fins Blow the dust from the fins Correct the bends in fins

Correct Answer: Remove the rust on the fins

3) What is the advantage of using capillary tube as an expansion device?

Temperature balancing is easy Pressure balancing is easy Volume balancing is easy Complicate design

Correct Answer: Pressure balancing is easy

4) Which component is connected in series with defrost heater in a frost free refrigerator?

Door switch Cabinet bulb Bimetal thermo Heating element

Correct Answer: Bimetal thermo

5) How much minimum gap is left on either side of the refrigerator from the wall during installation?

5 cm 10 cm 15 cm 25 cm

Correct Answer: 15 cm

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