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Engineering Thermodynamics

Engineering Thermodynamics
Carnot cycle has maximum efficiency for

Irreversible engine
Diesel engine
Petrol engine
Reversible engine

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Engineering Thermodynamics
The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to

γ
1
∝

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Engineering Thermodynamics
The oxygen atom is ________ times heavier than the hydrogen atom.

2
8
16
32

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

Isothermal process
Constant volume process
Constant pressure process
Adiabatic process

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Engineering Thermodynamics
The unit of universal gas constant is

None of these

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Engineering Thermodynamics
According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as

Temperature
Volume, if temperature is kept constant
Absolute temperature, if volume is kept constant
None of these

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