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Engineering Thermodynamics

Engineering Thermodynamics
According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature.

Remains constant
Decreases
Increases
None of these

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Engineering Thermodynamics
The condition of perfect vacuum, i.e., absolute zero pressure can be attained at

A negative pressure and 0°C temperature
A temperature of - 273.16°C
A temperature of 273 °K
A temperature of 0°C

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Engineering Thermodynamics
The following cycle is used for air craft refrigeration

Reversed Brayton cycle
Brayton cycle
Joule cycle
Carnot cycle

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Engineering Thermodynamics
The specific heat of water is

2.512
None of these
4.187
1.817

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

29.27 kgfm/mol °K
427 kgfm/mol °K
848 kgfm/mol °K
8314 kgfm/mol °K

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Engineering Thermodynamics
When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called

Kelvin Planck's law
Second law of thermodynamics
Zeroth law of thermodynamics
First law of thermodynamics

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