Related Questions

Throttling (Joule-Thomson effect) process is a constant __________ process.
A Enthalpy
B Entropy
C Pressure
D None of these
All gases except __________ shows a cooling effect during throttling process at atmospheric temperature and pressure.
A Oxygen
B Nitrogen
C Air
D Hydrogen
All gases during throttling process at atmospheric temperature and pressure show a cooling effect except
A CO2
B H2
C O2
D N2
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
Throttling process is a/an __________ process.
A Reversible and isothermal
B Irreversible and constant enthalpy
C Reversible and constant entropy
D Reversible and constant enthalpy
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 temperature at which a gas, when subjected to Joule-Thomson expansion, neither cools or heats up, is termed as the __________ temperature. Above this temperature the gas heats up on throttling and below this the gas cools down.
A Isotactic
B Saturation
C Inversion
D Throttling
__________ decreases during adiabatic throttling of a perfect gas.
A Entropy
B Temperature
C Enthalpy
D Pressure
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

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