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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure

Entropy
Mass
Volume
Enthalpy

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Engineering Thermodynamics
If in the equation pvn = C, the value of n = ∝, then the process is called

Constant pressure process
Adiabatic process
Isothermal process
Constant volume process

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Engineering Thermodynamics
To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is

Multiplied by its specific weight
Multiplied by its density
Multiplied by its molecular weight
Divided by its molecular weight

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Engineering Thermodynamics
Isochoric process is one in which

Very little mechanical work is done by the system
No mechanical work is done by the system
All parameters remain constant
Free expansion takes place

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Engineering Thermodynamics
A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as

Reversible cycle
None of these
Thermodynamic cycle
Irreversible cycle

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Engineering Thermodynamics
A perpetual motion machine is

A hypothetical machine
A thermodynamic machine
A hypothetical machine whose operation would violate the laws of thermodynamics
A non-thermodynamic machine

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