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Engineering Thermodynamics

Engineering Thermodynamics
The same volume of all gases would represent their

Densities
Specific weights
Gas characteristic constants
Molecular weights

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Engineering Thermodynamics
A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called

Isothermal process
Adiabatic process
Hyperbolic process
Polytropic process

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

Internal energy
Pressure
Volume
Temperature

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Engineering Thermodynamics
An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is

Impossible
Feasible
Possible
Possible, but with lot of sophistications

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Engineering Thermodynamics
The condition of perfect vacuum, i.e., absolute zero pressure can be attained at

A temperature of 273 °K
A temperature of 0°C
A negative pressure and 0°C temperature
A temperature of - 273.16°C

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Engineering Thermodynamics
According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas.

Change
None of these
Both (A) and (B)
Do not change

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MORE MCQ ON Engineering Thermodynamics

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