SSC JE Mechanical Engineering 2018 Set 2 Paper

Question : 148 of 200

Marks: +1, -0

Which gas can attain the highest efficiency for the same compression rise?

Solution:

Mono atomic gases gives highest efficiency
Reason: Value of

γ

for mono atomic gasses = 1.67 (monoatomic gases)
Value of

γ

for dia atomic gases = 1.4 (diaatomic gases)

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