CONDENSER EXPANSION VALVE AND EVAPORATOR - Quiz

1) Why the supply air throw is decreased in window AC?

Normal RPM of fan motor Clean air filter Refrigerant leaks Frost blocks air circulation

2) What is the remedy for defective heating element in a frost free refrigerator?

Repair heater Readjust the heater Replace heater and bimetal thermo Reuse the heater and over load protector

3) What are the causes for blockage in capillary tube?

Non condensable gases Moisture and wax from oil Solid particles Over charging of refrigerant

4) What is the reason for frost accumulation in between fins and tubes of evaporator in frost free refrigerator?

Under charge of refrigerant Over charge of refrigerant Defective fan motor Defective timer

5) What is the reason for no cooling in a frost free refrigerator?

Defective fan motor Open door switch High watt Cabinet bulb Defective timer