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Engineering Thermodynamics

Engineering Thermodynamics
For reversible adiabatic process, change in entropy is

Zero
Minimum
Negative
Maximum

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Engineering Thermodynamics
Entropy change depends on

Thermodynamic state
Change of temperature
Mass transfer
Heat transfer

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Engineering Thermodynamics
For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order

Dual cycle, Diesel cycle, Otto cycle
Diesel cycle, Otto cycle, Dual cycle
Otto cycle, Diesel cycle, Dual cycle
Dual cycle, Otto cycle, Diesel cycle

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Engineering Thermodynamics
One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to

1400 K
800 K
1200 K
1000 K

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Engineering Thermodynamics
The oxygen atom is ________ times heavier than the hydrogen atom.

2
8
16
32

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Engineering Thermodynamics
A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as

Stirling cycle
Otto cycle
Diesel cycle
Carnot cycle

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MORE MCQ ON Engineering Thermodynamics

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