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Engineering Thermodynamics

Engineering Thermodynamics
The following cycle is used for air craft refrigeration

Brayton cycle
Carnot cycle
Joule cycle
Reversed Brayton cycle

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Engineering Thermodynamics
The measurement of a thermodynamic property known as temperature is based on

First law of thermodynamics
Second law of thermodynamics
None of these
Zeroth law of thermodynamics

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Engineering Thermodynamics
Otto cycle is also known as

Constant temperature and pressure cycle
Constant temperature cycle
Constant volume cycle
Constant pressure cycle

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Engineering Thermodynamics
The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas.

One-half
Two-third
Three-forth
One-third

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Engineering Thermodynamics
The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is

29.27 J/kmol °K
83.14 J/kmol °K
848 J/kmol °K
735 J/kmol °K

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Engineering Thermodynamics
On volume basis, air contains following parts of oxygen

23
25
21
77

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MORE MCQ ON Engineering Thermodynamics

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