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

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

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

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Engineering Thermodynamics
Superheated vapour behaves

Exactly as gas
As ordinary vapour
As steam
Approximately as a gas

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Engineering Thermodynamics
The efficiency and work ratio of a simple gas turbine cycle are

Very high
Low
High
Very low

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Engineering Thermodynamics
Those substances which have so far not been resolved by any means into other substances of simpler form are called

Elements
Molecules
Compounds
Atoms

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Engineering Thermodynamics
The fuel mostly used in steam boilers is

Brown coal
Coking bituminous coal
Non-coking bituminous coal
Peat

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MORE MCQ ON Engineering Thermodynamics

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