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Engineering Thermodynamics

Engineering Thermodynamics
The statement that molecular weights of all gases occupy the same volume is known as

Avogadro's hypothesis
Law of thermodynamics
Gas law
Dalton's law

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

1.87
1.67
1
1.4

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Engineering Thermodynamics
When the gas is heated at constant pressure, the heat supplied

Both (B) and (C)
Increases the temperature of the gas
Increases the internal energy of the gas
Does some external work during expansion

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Engineering Thermodynamics
A process, in which the temperature of the working substance remains constant during its expansion or compression, is called

Isothermal process
Adiabatic process
Hyperbolic process
Polytropic process

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Engineering Thermodynamics
For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature)

P v = constant, if T is kept constant
P/T = constant, if v is kept constant
T/P = constant, if v is kept constant
V/T = constant, if p is kept constant

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Engineering Thermodynamics
The ___ is obtained when carbonization of coal is carried out at 500° to 700° C.

Pulverized coal
Soft coal
Bituminous coal
Hard coal

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MORE MCQ ON Engineering Thermodynamics

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