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Engineering Thermodynamics

Engineering Thermodynamics
The efficiency of Ericsson cycle is __________ Carnot cycle.

Equal to
Greater than
Less than
None of these

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Engineering Thermodynamics
Brayton cycle consists' of following four processes

Two isentropic, one constant volume and one constant pressure
Two isentropic and two constant pressures
Two isentropic and two constant volumes
Two isothermal and two isentropic

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Engineering Thermodynamics
One kg of carbon monoxide requires 4/7 kg of oxygen and produces

7/3 kg of carbon monoxide gas
8/3 kg of carbon monoxide gas
11/3 kg of carbon dioxide gas
11/7 kg of carbon dioxide gas

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Engineering Thermodynamics
In an irreversible process, there is a

Loss of heat
No loss of heat
No gain of heat
Gain of heat

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Engineering Thermodynamics
The temperature at which the volume of a gas becomes zero is called

Absolute zero temperature
Absolute temperature
Absolute scale of temperature
None of these

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

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

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