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Engineering Thermodynamics

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

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

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Engineering Thermodynamics
Which of the following variables controls the physical properties of a perfect gas?

Volume
Temperature
All of these
Pressure

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Engineering Thermodynamics
The energy of molecular motion appears as

Potential energy
Heat
Surface tension
Friction

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Engineering Thermodynamics
Kerosene is distilled at

345° to 470°C
470° to 550°C
220° to 345°C
65° to 220°C

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Engineering Thermodynamics
The mass of excess air supplied is equal to

(100/23) × Mass of excess carbon
(23/100) × Mass of excess carbon
(23/100) × Mass of excess oxygen
(100/23) × Mass of excess oxygen

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Engineering Thermodynamics
Properties of substances like pressure, temperature and density, in thermodynamic coordinates are

Path functions
Point functions
Real functions
Cyclic functions

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MORE MCQ ON Engineering Thermodynamics

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