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Engineering Thermodynamics

Engineering Thermodynamics
Kinetic theory of gases assumes that the collisions between the molecules are

Partly inelastic
Perfectly elastic
Perfectly inelastic
Partly elastic

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

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Engineering Thermodynamics
Work done is zero for the following process

Free expansion
All of the listed here
Throttling
Constant volume

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Engineering Thermodynamics
The heat energy stored in the gas and used for raising the temperature of the gas is known as

Molecular energy
Internal energy
Kinetic energy
External energy

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Engineering Thermodynamics
The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is

25 bar
23.97 bar
34.81 bar
26.03 bar

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Engineering Thermodynamics
One molecule of oxygen is __________ times heavier than the hydrogen atom.

32
14
16
12

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MORE MCQ ON Engineering Thermodynamics

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