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Engineering Thermodynamics

Engineering Thermodynamics
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is

None of these
Less than one
Greater than one
Equal to one

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Engineering Thermodynamics
For which of the following substances, the gas laws can be used with minimum error

Dry steam
Superheated steam
Wet steam
Saturated steam

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Engineering Thermodynamics
Work done is zero for the following process

Free expansion
Constant volume
All of the listed here
Throttling

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Engineering Thermodynamics
One kg of carbon produces ___ kg of carbon dioxide.

11/3
4/11
11/7
3/7

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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)

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

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Engineering Thermodynamics
The standard value of atmospheric pressure taken at sea level is

1.013 bar
1013 × 102 N/m2
760 mm of Hg
All of these

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