Question:easy

Which of the following component is NOT used in vapour compression refrigeration system?

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Remember the "Big Four" for VCRS: Compressor, Condenser, Expansion Valve, and Evaporator. If you see extra components like Absorber, Generator, or Rectifier, they belong to the Absorption system!
Updated On: Jul 1, 2026
  • Compressor
  • Condenser
  • Evaporator
  • Rectifier
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The Correct Option is D

Solution and Explanation

1. Standard VCRS Components:

• Compressor: It increases the pressure and temperature of the refrigerant vapor.

• Condenser: It rejects heat to the surroundings, causing the high-pressure vapor to condense into a liquid.

• Expansion Valve: It reduces the pressure of the liquid refrigerant.

• Evaporator: It absorbs heat from the space being cooled, causing the liquid refrigerant to evaporate.

2. What is a Rectifier?: A

Rectifier (or analyzer) is a component used specifically in a

Vapour Absorption Refrigeration System (VARS). Its purpose is to remove any remaining water vapor from the ammonia refrigerant before it enters the condenser. This prevents water from freezing and clogging the expansion valve later in the cycle.
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