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Engineering Thermodynamics

Engineering Thermodynamics
The following cycle is used for air craft refrigeration

Carnot cycle
Brayton cycle
Reversed Brayton cycle
Joule cycle

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Engineering Thermodynamics
Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits?

O₂, N₂, water vapour
O₂, N₂, H₂, air
O₂, N₂, steam, CO₂
SO₂, NH₃, CO₂, moisture

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Engineering Thermodynamics
Which of the following is not the intensive property?

Temperature
Heat
Density
Pressure

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Engineering Thermodynamics
The compression ratio for petrol engines is

3 to 6
15 to 30
5 to 8
10 to 20

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Engineering Thermodynamics
If a system after undergoing a series of processes, returns to the initial state then

Sum of heat and work transfer will be zero
Process is executed in closed system cycle
Process is thermodynamically in equilibrium
Its entropy will change due to irreversibility

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Engineering Thermodynamics
In a steady flow process, the ratio of

Work transfer is constant
Heat transfer is constant
All of these
Mass flow at inlet and outlet is same

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MORE MCQ ON Engineering Thermodynamics

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