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Engineering Thermodynamics

Engineering Thermodynamics
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is

Less than one
Greater than one
None of these
Equal to one

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Engineering Thermodynamics
All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called

Boyle's law
Joule's law
Charles' law
Gay-Lussac law

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Engineering Thermodynamics
A tri-atomic molecule consists of __________ atoms.

Two
Four
Three
One

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Engineering Thermodynamics
The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will

Increase/decrease depending on application
Increase
Remain unchanged
Decrease

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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-third
Three-forth
One-half
Two-third

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Engineering Thermodynamics
The atomic mass of sulphur is

16
12
14
32

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