Skip to content
AnsweringExams.Com
  • Home
  • Contact Us / Report Error
  • Disclaimer

Thermodynamics for Chemical

In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible ____________ process?

August 29, 2021March 11, 2019 by admin
In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible ____________ process?

A. Isometric
B. Polytropic
C. Isentropic
D. Isobaric

Categories Thermodynamics for Chemical

Water on heating from 1 to 4°C___________________?

August 29, 2021March 11, 2019 by admin
Water on heating from 1 to 4°C___________________?

A. Contracts
B. Expands
C. Has same volume
D. May contract or expand

Categories Thermodynamics for Chemical

The work done in isothermal compression compared to that in adiabatic compression will be__________________?

August 29, 2021March 11, 2019 by admin
The work done in isothermal compression compared to that in adiabatic compression will be__________________?

A. Less
B. More
C. Same
D. More or less depending upon the extent of work done

Categories Thermodynamics for Chemical

The gas law (PV = RT) is true for an ______________ change?

August 29, 2021March 11, 2019 by admin
The gas law (PV = RT) is true for an ______________ change?

A. Isothermal
B. Adiabatic
C. Both A. & B
D. Neither A. nor B

Categories Thermodynamics for Chemical

Which of the following is true for Virial equation of state ?

August 29, 2021March 11, 2019 by admin
Which of the following is true for Virial equation of state ?

A. Virial co-efficients are universal constants
B. Virial co-efficients ‘B’ represents three body interactions
C. Virial co-efficients are function of temperature only
D. For some gases, Virial equations and ideal gas equations are the same

Categories Thermodynamics for Chemical

In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1 = 1 m3 and v23 m3) is maximum, when the value of ‘n’ is_________________?

August 29, 2021March 11, 2019 by admin
In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1 = 1 m3 and v23 m3) is maximum, when the value of ‘n’ is_________________?

A. 0
B. 1
C. y = 1.44
D. 1.66

Categories Thermodynamics for Chemical

Out of the following refrigeration cycles, which one has maximum COP ?

August 29, 2021March 11, 2019 by admin
Out of the following refrigeration cycles, which one has maximum COP ?

A. Air cycle
B. Carnot cycle
C. Ordinary vapor compression cycle
D. Vapor compression with a reversible expansion engine

Categories Thermodynamics for Chemical

All gases except ____________ shows a cooling effect during throttling process at atmospheric temperature and pressure?

August 29, 2021March 11, 2019 by admin
All gases except ____________ shows a cooling effect during throttling process at atmospheric temperature and pressure?

A. Oxygen
B. Nitrogen
C. Air
D. Hydrogen

Categories Thermodynamics for Chemical

Gibbs free energy per mole for a pure substance is equal to the__________________?

August 29, 2021March 11, 2019 by admin
Gibbs free energy per mole for a pure substance is equal to the__________________?

A. Latent heat of vaporisation
B. Chemical potential
C. Molal boiling point
D. Heat capacity

Categories Thermodynamics for Chemical

Joule-Thomson co-efficient is defined as__________________?

August 29, 2021March 11, 2019 by admin
Joule-Thomson co-efficient is defined as__________________?

A. μ = (∂P/∂T)H
B. μ = (∂T/∂P)H
C. μ = (∂E/∂T)H
D. μ = (∂E/∂P)H

Categories Thermodynamics for Chemical
Older posts
Newer posts
← Previous Page1 … Page34 Page35 Page36 … Page49 Next →
© 2025 AnsweringExams.Com • Built with GeneratePress