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Engineering Thermodynamics

Engineering Thermodynamics
The absolute zero pressure can be attained at a temperature of

None of these
-273°C
273 K
0°C

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Engineering Thermodynamics
Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant

Internal energy
Temperature
Volume
Pressure

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Engineering Thermodynamics
The temperature at which the volume of a gas becomes zero is called

Absolute temperature
Absolute zero temperature
None of these
Absolute scale of temperature

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Engineering Thermodynamics
If value of n is infinitely large in a polytropic process pVn = C, then the process is known as constant

Enthalpy
Volume
Pressure
Temperature

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Engineering Thermodynamics
Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant.

1/273th
1/93th
1/27th
1/173th

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Engineering Thermodynamics
The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is

427 kgfm/mol °K
848 kgfm/mol °K
8314 kgfm/mol °K
29.27 kgfm/mol °K

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