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Engineering Thermodynamics

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

None of these
-273°C
0°C
273 K

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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

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

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Engineering Thermodynamics
The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

pv = mRT
pvm = C
pv = RTm
pv = (RT)m

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Engineering Thermodynamics
The entropy of water at 0°C is assumed to be

2
-1
1

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Engineering Thermodynamics
One molecule of oxygen is __________ times heavier than the hydrogen atom.

12
32
14
16

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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
Volume
Pressure
Temperature

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MORE MCQ ON Engineering Thermodynamics

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