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MRAC Set-1
Frost Free Refrigerator or Inverter Refrigerator
18

Frost Free Refrigerator or Inverter Refrigerator MCQ with Answers

18) Which component actuates the defrost cycle in frost free refrigerator?

Bimetal thermo

Defrost heater

Timer

Relay

Answer is:

Timer

Frost Free Refrigerator or Inverter Refrigerator MCQ with Answers

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Related Frost Free Refrigerator or Inverter Refrigerator MCQ with Answers

19) Which component is turned off while defrost heater is energised?

Cabinet bulb

Evaporator fan

Thermostat sensor

Over load protector

Answer is:

Evaporator fan

20) Which movement of plunger energises the start winding in relay operation?

Vertically up

Bottom side

Vertically down

Horizontally left

Answer is:

Vertically up

21) Which is connected in series with start capacior in motor circuit?

Starting winding

Common terminal

Running Terminal

Running winding

Answer is:

Starting winding

22) What is the advantage of sealed system compared to open type system?

Mechanical efficiency is greater

Cylinder lubrication is easier

Any refrigerant can be used

No shaft seal is required

Answer is:

No shaft seal is required

Frost Free Refrigerator or Inverter Refrigerator MCQ with Answers

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