Related Questions

On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by
A Horizontal straight line
B Vertical straight line
C Straight inclined line
D Curved line
All gases above its inversion temperature, in a throttling process will show
A A heating effect
B No change in temperature
C A cooling effect
D Either A or C
__________ decreases during adiabatic throttling of a perfect gas.
A Entropy
B Temperature
C Enthalpy
D Pressure
After throttling, gas temperature
A Decreases
B Increases
C Remains same
D May increase or decrease ; depends on the nature of the gas
All gases except __________ shows a cooling effect during throttling process at atmospheric temperature and pressure.
A Oxygen
B Nitrogen
C Air
D Hydrogen
The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called
A Sub-cooling or under-cooling
B Super-cooling
C Normal cooling
D None of these
The adiabatic throttling process of a perfect gas is one of constant enthalpy
A In which there is a temperature drop
B Which is exemplified by a non-steady flow expansion
C Which can be performed in a pipe with a constriction
D In which there is an increase in temperature
The throttling process is __________ process.
A Reversible
B Irreversible
C Reversible or irreversible
D None of these
Joule-Thomson effect i.e., a throttling process is a constant __________ process.
A Entropy
B Temperature
C Internal energy
D Enthalpy
Throttling (Joule-Thomson effect) process is a constant __________ process.
A Enthalpy
B Entropy
C Pressure
D None of these

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