CONDENSER EXPANSION VALVE AND EVAPORATOR - Practice Mode

1) Why evaporator of air conditioner has more fins per inch?

Increase the air contact Increase the water dripping Decrease the air circulation Produce more ice

Correct Answer: Increase the air contact

2) Why frost accumulates in window AC evaporator?

Over charge of refrigerant Less charge of refrigerant Capillary chocking Air filter blocked

Correct Answer: Air filter blocked

3) What is the effect of pressure drop at the inlet of the evaporator?

Flashing of liquid refrigerant Freezing of liquid refrigerant Freezing of liquid Boiling of oil

Correct Answer: Flashing of liquid refrigerant

4) What is the remedy for broken bimetal thermo in a frost free refrigerator?

Repair the bimetal thermo Reuse the bimetal thermo Replace the bimetal thermo Readjust the bimetal thermo

Correct Answer: Replace the bimetal thermo

5) Why there is no frosting at the bottom only in plate coil evaporator used with refrigerator?

Shortage of refrigerant Oil present in the coil Excess of refrigerant Liquid in the coil

Correct Answer: Oil present in the coil

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