GATE & PSUs - Mechanical Engineering (ME)

Thermodynamic Cycles (Rankine, Brayton, Otto, Diesel, Dual) question bank (Thermodynamics & Thermal Sciences)

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Q1.

[Thermodynamic Cycles (Rankine, Brayton, Otto, Diesel, Dual) Concept 3] An ideal gas undergoes a reversible polytropic process $PV^n = C$. If the heat capacity ratio is $\gamma = C_p / C_v$, for what value of $n$ does the heat transfer during the process equal zero?

(A)

$n = \gamma$

(B)

$n = 1$

(C)

$n = 0$

(D)

$n = \infty$

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Q2.

[Thermodynamic Cycles (Rankine, Brayton, Otto, Diesel, Dual) Concept 13] An ideal gas undergoes a reversible polytropic process $PV^n = C$. If the heat capacity ratio is $\gamma = C_p / C_v$, for what value of $n$ does the heat transfer during the process equal zero?

(A)

$n = \gamma$

(B)

$n = 1$

(C)

$n = 0$

(D)

$n = \infty$

Show answer & solution

Verified Answer & Solution Locked

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