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Engineering Thermodynamics

Engineering Thermodynamics
The unit of energy is S. I. units is

Joule meter (Jm)
Joule (J)
Joule/meter (J/m)
Watt (W)

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Engineering Thermodynamics
Calorie is a measure of

Quantity of heat
Specific heat
Thermal capacity
Entropy

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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
rγ - 1
1 - (1/r) γ - 1/ γ
1 - rγ - 1

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Engineering Thermodynamics
When the gas is heated at constant pressure, the heat supplied

Increases the internal energy of the gas
Increases the temperature of the gas
Both (B) and (C)
Does some external work during expansion

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Engineering Thermodynamics
A molecule consisting of one atom is known as

Di-atomic
Tri-atomic
Mono-atomic
Poly-atomic

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Engineering Thermodynamics
The processes occurring in open system which permit the transfer of mass to and from the system, are known as

Adiabatic processes
Flow processes
None of the listed here
Non-flow processes

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