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Engineering Thermodynamics

Engineering Thermodynamics
The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to

γ
1
∝

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

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

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Engineering Thermodynamics
The condition of perfect vacuum, i.e., absolute zero pressure can be attained at

A temperature of 0°C
A negative pressure and 0°C temperature
A temperature of 273 °K
A temperature of - 273.16°C

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Engineering Thermodynamics
The amount of heat generated per kg of fuel is known as

Heat energy
Lower calorific value
Higher calorific value
Calorific value

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Engineering Thermodynamics
Entropy change depends on

Mass transfer
Thermodynamic state
Change of temperature
Heat transfer

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Engineering Thermodynamics
A sudden fall in the barometer reading is a sign of approaching

Fine weather
Storm
Cold wave
Rains

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MORE MCQ ON Engineering Thermodynamics

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