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Question

In a Brayton cycle, the heat is rejected at ________ .

ब्रेटन चक्र में, ऊष्मा को ________ पर अस्वीकार कर दिया जाता है।

A.

constant temperature

B.

constant pressure

C.

constant volume

D.

constant enthalpy

Answer ( Option B)

constant pressure

Solution

Brayton Cycle:

  1. Isentropic compression (in a compressor)
  2. Constant-pressure heat addition
  3. Isentropic expansion (in a turbine)
  4. Constant-pressure heat rejection

Brayton cycle is a theoretical cycle for gas turbines. 

This cycle consists of two reversible adiabatic or isentropic processes and two constant pressure processes. 

The heat addition and rejection takes place at constant pressure.

Hence, the correct option is (B).

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