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Engineering Thermodynamics

Engineering Thermodynamics
The heating of a gas at constant pressure is governed by

Boyle's law
Charles' law
Gay-Lussac law
Avogadro's law

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Engineering Thermodynamics
If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to

Zero
Anywhere between zero and infinity
+ve
-ve

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Engineering Thermodynamics
One barometric pressure or 1 atmospheric pressure is equal to

0 kgf/cm²
1.0197 kgf/cm²
1.033 kgf/cm²
1 kgf/cm²

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Engineering Thermodynamics
The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio)

1 - (1/r) γ/γ - 1
1 - (1/r) γ - 1/ γ
rγ - 1
1 - rγ - 1

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Engineering Thermodynamics
The efficiency of a Carnot engine depends on

Size of engine
Design of engine
Temperatures of source and sink
Working substance

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Engineering Thermodynamics
In S. I. units, the value of the universal gas constant is

831.4 J/kg mole-K
83.14 J/kg mole-K
8.314 J/kg mole-K
8314 J/kg mole-K

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MORE MCQ ON Engineering Thermodynamics

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