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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following is the lightest and most volatile liquid fuel?

Gasoline
Kerosene
None of these
Fuel oil

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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
(v2/v1)γ - 1/ γ
(v1/v2)γ - 1/ γ

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Engineering Thermodynamics
An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is

Impossible
Feasible
Possible, but with lot of sophistications
Possible

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Engineering Thermodynamics
Brayton cycle consists' of following four processes

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

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Engineering Thermodynamics
The compression ratio for petrol engines is

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

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Engineering Thermodynamics
The sum of internal energy (U) and the product of pressure and volume (p.v) is known as

Entropy
Power
Work done
Enthalpy

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MORE MCQ ON Engineering Thermodynamics

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