Related Questions

The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process.
A Isobaric
B Isothermal
C Adiabatic
D None of these
Which of the following processes can not be made reversible even under ideal condition of operation?
A Free expansion of a gas
B Compression of air in a compressor
C Expansion of steam in a turbine
D All of the above
Which of the following is not a reversible process ?
A Expansion of an ideal gas against constant pressure
B Atmospheric pressure vaporisation of water at 100°C
C Solution of NaCl in water at 50°C
D None of these
Which of the following cycles is not a reversible cycle?
A Carnot
B Ericsson
C Stirling
D None of the above
Which of the following is not correct for a reversible adiabatic process?
A $${\text{T}}{{\text{V}}^{\gamma - 1}}$$  = constant
B $${{\text{P}}^{1 - \gamma }}.{{\text{T}}^{\text{Y}}}$$  = constant
C $${\text{P}}{{\text{V}}^\gamma }$$  = constant
D None of these
In which of the following gaseous phase reversible reactions, the product yield can not be increased by the application of high pressure?
A N2 + O2 ⇋ 2NO
B PCl3 + Cl2 ⇋ PCl5
C N + 3H2 ⇋ 2NH3
D 2SO2 + O2 ⇋ 2SO3
The internal energy of an ideal gas does not change in a reversible __________ process.
A Isothermal
B Adiabatic
C Isobaric
D Isometric
Which of the following processes are thermodynamically reversible?
A Throttling
B Free expansion
C Constant volume and constant pressure
D Isothermal and adiabatic
Which of the following cell has a reversible chemical reaction ?
A Lead-acid
B Mercury oxide
C Carbon-zinc
D Silver-oxide
Which of the following is reversible in action?
A Motor generator set
B Motor converter
C Rotary converter
D Any of the above
E None of the above

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