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Engineering Thermodynamics

Engineering Thermodynamics
Mixture of ice and water form a

Isolated system
Open system
Heterogeneous system
Closed system

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Engineering Thermodynamics
If in the equation pvn = C, the value of n = ∝, then the process is called

Adiabatic process
Constant pressure process
Isothermal process
Constant volume process

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Engineering Thermodynamics
Carnot cycle has maximum efficiency for

Irreversible engine
Reversible engine
Petrol engine
Diesel engine

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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
Carnot cycle efficiency is maximum when

Final temperature is 0°K
Difference between initial and final temperature is 0°K
Final temperature is 0°C
Initial temperature is 0°K

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Engineering Thermodynamics
The value of gas constant (R) in S. I. units is

287 J/kgK
28.7 J/kgK
2.87 J/kgK
0.287 J/kgK

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MORE MCQ ON Engineering Thermodynamics

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