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Mechanical Engineering · Q25

Compressors, Gas Turbines And Jet Engines

Engineering and GATE · Mechanical Engineering · question 25

Q25

The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is

A.
6000 KW
B.
15 KW
Answer
C.
600 KW
D.
150 KW

Answer: Option B

Solution

Answer: Option B
Solution:
Given Data:
Output power = 300 kW
Efficiency = 20% = 0.2

Efficiency = Output power / Input power
Input power = Output power / Efficiency
Input power = 300 / 0.2
Input power = 1500 kW

Therefore, heat supplied is 1500 kW.
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