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Engineering Thermodynamics

Engineering Thermodynamics
When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency

43835
Zero
43834
2

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Engineering Thermodynamics
According to kinetic theory of gases, the absolute zero temperature is attained when

Pressure of the gas is zero
Specific heat of gas is zero
Kinetic energy of the molecules is zero
Volume of the gas is zero

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Engineering Thermodynamics
Universal gas constant is defined as equal to product of the molecular weight of the gas and

Specific heat at constant pressure
Ratio of two specific heats
Gas constant
Specific heat at constant volume

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Engineering Thermodynamics
Which of the following has the minimum atomic mass?

Oxygen
Nitrogen
Sulphur
Carbon

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Engineering Thermodynamics
The entropy may be expressed as a function of

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

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Engineering Thermodynamics
In an isothermal process

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

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