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Engineering Thermodynamics

Engineering Thermodynamics
The first law of thermodynamics is the law of

Conservation of energy
Conservation of mass
Conservation of heat
Conservation of momentum

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Engineering Thermodynamics
The entropy may be expressed as a function of

Temperature and volume
Pressure and temperature
All of these
Heat and work

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Engineering Thermodynamics
The unit of energy in S.I. units is

joule/m
Joule
joule/s
watt

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Engineering Thermodynamics
For which of the following substances, the gas laws can be used with minimum error

Superheated steam
Dry steam
Saturated steam
Wet steam

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Engineering Thermodynamics
Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant.

1/27th
1/93th
1/173th
1/273th

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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)

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

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MORE MCQ ON Engineering Thermodynamics

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