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Engineering Thermodynamics

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

1.4
1
1.87
1.67

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Engineering Thermodynamics
The atomic mass of oxygen is

18
14
121
16

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Engineering Thermodynamics
The pressure of a gas in terms of its mean kinetic energy per unit volume 'E' is equal to

3E/4
E/3
E/2
2E/3

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Engineering Thermodynamics
The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant)

mR (T2 - T1)
mcp (T2 + T1)
mcv (T2 - T1)
mcp (T2 - T1)

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Engineering Thermodynamics
The value of 1 mm of Hg is equal to

1.333 N/m2
133.3 N/m2
13.33 N/m2
1333 N/m2

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Engineering Thermodynamics
The heat and mechanical energies are mutually convertible. This statement was established by

None of these
Joule
Boyle
Charles

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