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Engineering Thermodynamics

Engineering Thermodynamics
The absolute zero pressure can be attained at a temperature of

-273°C
None of these
273 K
0°C

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Engineering Thermodynamics
Water contained in a beaker can be made to boil by passing steam through it

Not possible
At atmospheric pressure
Any pressure
At a pressure greater than atmospheric pressure

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Engineering Thermodynamics
The value of cp/cv for air is

1
1.4
1.45
2.3

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Engineering Thermodynamics
The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when

Process is isothermal
Flow is uniform and steady
Process is isentropic and specific heat does not change with temperature
Process is isentropic

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Engineering Thermodynamics
A diathermic wall is one which

Prevents thermal interaction
Encourages thermal interaction
Permits thermal interaction
Discourages thermal interaction

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Engineering Thermodynamics
In an isothermal process

There is no change in temperature
There is no change in internal energy
All of the listed here
There is no change in enthalpy

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MORE MCQ ON Engineering Thermodynamics

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