GATE & PSUs - Mechanical Engineering (ME)

Pure Substances & Property Tables question bank (Thermodynamics & Thermal Sciences)

Practice 7 free GATE & PSUs - Mechanical Engineering (ME) Thermodynamics & Thermal Sciences - Pure Substances & Property Tables questions with answers and step-by-step solutions.

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Q1.

[Pure Substances & Property Tables Concept 7] 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.

[Pure Substances & Property Tables Concept 17] 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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