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Engineering Thermodynamics

Engineering Thermodynamics
In a reversible adiabatic process, the ratio of T1/T2 is equal to

(p1/p2)γ - 1/ γ
(v1/v2)γ - 1/ γ
(p2/p1)γ - 1/ γ
(v2/v1)γ - 1/ γ

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Engineering Thermodynamics
The principal constituents of a fuel are

Sulphur and hydrogen
Sulphur and oxygen
Carbon and hydrogen
Oxygen and hydrogen

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Engineering Thermodynamics
Which of the following variables controls the physical properties of a perfect gas?

All of these
Temperature
Volume
Pressure

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

Rains
Cold wave
Storm
Fine weather

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Engineering Thermodynamics
Which of the following processes are thermodynamically reversible?

Isothermal and adiabatic
Constant volume and constant pressure
Throttling
Free expansion

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Engineering Thermodynamics
Change in enthalpy of a system is the heat supplied at

Constant entropy
Constant volume
Constant pressure
Constant temperature

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