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RRB Junior Engineer / DMS / CMA 2019 · Question 3492 of 3719

Heat is absorbed by a refrigerant during a refrigeration cycle in a-

  1. ACondenser
  2. BThrottle valve
  3. CEvaporatorCorrect
  4. DCompressor

Answer: C. Evaporator

Explanation

Explanation: A schematic diagram of vapour compression refrigeration cycle is shown below Following are the process and changes in refrigerant when they pass through the different equipment of the refrigeration cycle Compressor-Process 1-2 : The refrigerant is compressed isentropically from stage 1 to stage 2. Condenser-Process 2-3: In the condenser, the heat is rejected by the refrigerant at constant pressure Expansion Device-Process 3-4 : The refrigerant is expanded in an irreversible adiabatic manner from stage 3 to stage 4. Evaporator-Process 4-1 : In the evaporator , heat is absorbed by the refrigerant at constant pressure.

Source: RRB JE 2019 (CBT 2) (ME) Previous Year Paper (31 Aug 2019) — prepp.in solved-paper PDF (answer key with explanations) · reliable-secondary

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