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ENGINEERING THERMODYNAMICS

Engineering Thermodynamics
Superheated vapour behaves

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

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Engineering Thermodynamics
The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by

Gay-Lussac
Joule
Clausis
Kelvin

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Engineering Thermodynamics
Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as

Kinetic theory of gases
First law of thermodynamics
Second law of thermodynamics
Zeroth law of thermodynamics

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Engineering Thermodynamics
Carnot cycle efficiency depends upon

Temperature range of operation
Properties of the medium/substance used
Condition of engine
Working condition

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Engineering Thermodynamics
The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion)

v2/v1
v1/v2
(v1 + v2)/v1
(v1 + v2)/v2

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