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Engineering Thermodynamics

Engineering Thermodynamics
The unit of universal gas constant is

None of these

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

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

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Engineering Thermodynamics
Barometric pressure is equal to

Zero mm Hg
1 mm Hg
735.6 mm Hg
760 mm Hg

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Engineering Thermodynamics
According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature.

Decreases
None of these
Remains constant
Increases

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Engineering Thermodynamics
The process is adiabatic, if the value of n in the equation pvn = C, is

∝
Zero
One
γ

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