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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following cycles is not a reversible cycle?

Stirling
None of the listed here
Carnot
Ericsson

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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 - rγ - 1
1 - (1/r) γ - 1/ γ

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Engineering Thermodynamics
The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is

29.27 kgfm/mol °K
8314 kgfm/mol °K
848 kgfm/mol °K
427 kgfm/mol °K

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Engineering Thermodynamics
Which of the following cycles has maximum efficiency?

Brayton
Stirling
Carnot
Rankine

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Engineering Thermodynamics
When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as

None of the listed here
Thermodynamic cycle
Thermodynamic law
Thermodynamic process

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Engineering Thermodynamics
The standard value of atmospheric pressure taken at sea level is

760 mm of Hg
1.013 bar
All of these
1013 × 102 N/m2

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