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Engineering Thermodynamics

Engineering Thermodynamics
When a gas is heated, change takes place in

Temperature
Volume
Pressure
All of the listed here

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Engineering Thermodynamics
The pressure of a gas in terms of its mean kinetic energy per unit volume 'E' is equal to

E/3
3E/4
E/2
2E/3

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Engineering Thermodynamics
According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible.

None of these
Third kind
Second kind
First kind

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Engineering Thermodynamics
If the value of n = 0 in the equation pvn = C, then the process is called

Adiabatic process
Constant volume process
Constant pressure process
Isothermal process

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Engineering Thermodynamics
Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits?

O₂, N₂, water vapour
SO₂, NH₃, CO₂, moisture
O₂, N₂, steam, CO₂
O₂, N₂, H₂, air

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Engineering Thermodynamics
The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)

1 + (T2/T1)
1 - (T2/T1)
(T1/T2) - 1
1 - (T1/T2)

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MORE MCQ ON Engineering Thermodynamics

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