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Engineering Thermodynamics

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

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

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

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

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Engineering Thermodynamics
According to kinetic theory of gases, the absolute zero temperature is attained when

Pressure of the gas is zero
Volume of the gas is zero
Specific heat of gas is zero
Kinetic energy of the molecules is zero

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Engineering Thermodynamics
The first law of thermodynamics is the law of

Conservation of mass
Conservation of heat
Conservation of momentum
Conservation of energy

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Engineering Thermodynamics
The amount of heat required to raise the temperature of __________ water through one degree is called kilojoules.

100 g
10 g
1 g
1000 g

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Engineering Thermodynamics
The absolute zero pressure can be attained at a temperature of

0°C
273 K
-273°C
None of these

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