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Engineering Thermodynamics

Engineering Thermodynamics
Which law states that the internal energy of a gas is a function of temperature?

Boyle's law
Joule's law
There is no such law
Charles' law

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Engineering Thermodynamics
A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as

Diesel cycle
Otto cycle
Carnot cycle
Stirling cycle

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

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

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Engineering Thermodynamics
Change in enthalpy of a system is the heat supplied at

Constant entropy
Constant volume
Constant temperature
Constant pressure

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Engineering Thermodynamics
The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats)

1 + (1/ rγ - 1)
1 - (1/ rγ - 1)
1 + rγ - 1
1 - rγ - 1

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Engineering Thermodynamics
Characteristic gas constant of a gas is equal to

Cv /Cp
Cp /Cv
Cp + Cv
Cp - Cv

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