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Engineering Thermodynamics

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

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Engineering Thermodynamics
The absolute zero temperature is taken as

273°C
237°C
-273°C
-237°C

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Engineering Thermodynamics
In S. I. units, the value of the universal gas constant is

83.14 J/kg mole-K
8.314 J/kg mole-K
8314 J/kg mole-K
831.4 J/kg mole-K

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Engineering Thermodynamics
The first law of thermodynamics is the law of

Conservation of mass
Conservation of energy
Conservation of heat
Conservation of momentum

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Engineering Thermodynamics
The ratio of molar specific heats for mono-atomic gas is

1.4
1.67
1.87
1

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