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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following processes is irreversible process?

Throttling
Adiabatic
Isothermal
All of these

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Engineering Thermodynamics
The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to

γ
∝
1

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Engineering Thermodynamics
If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to

Anywhere between zero and infinity
+ve
-ve
Zero

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Engineering Thermodynamics
Diesel cycle consists of __________ processes.

Two constant pressure and two isentropic
Two constant volume and two isentropic
One constant pressure, one constant volume and two isentropic
Two constant volume and two isothermal

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Engineering Thermodynamics
General gas equation is

PV = C
PV=mRT
PV=KiRT
PV=nRT

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Engineering Thermodynamics
Entropy change depends on

Thermodynamic state
Change of temperature
Mass transfer
Heat transfer

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