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Engineering Thermodynamics

Engineering Thermodynamics
Reversed Joule cycle is known as

Carnot cycle
Bell-Coleman cycle
Stirling cycle
Rankine cycle

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Engineering Thermodynamics
In an isothermal process, the internal energy

First increases and then decreases
Decreases
Remain constant
Increases

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

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

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Engineering Thermodynamics
According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as

None of these
Absolute temperature, if volume is kept constant
Temperature
Volume, if temperature is kept constant

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Engineering Thermodynamics
Petrol is distilled at

345° to 470°C
470° to 550°C
220° to 345°C
65° to 220°C

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Engineering Thermodynamics
The volumetric or molar specific heat at constant pressure is the product of

Atomic mass of the gas and the gas constant
Molecular mass of the gas and the specific heat at constant volume
None of the listed here
Molecular mass of the gas and the gas constant

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