Related Questions

An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a
A Boiler
B Heat exchanger
C Recuperator
D Regenerator
The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is
A Less
B More
C Equal
D May be less or more depending on temperature
The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation
A Increases with pressure rise
B Decreases with increasing pressure
C Becomes zero at the critical point
D Both B & C
Heat sensitive materials with very high latent heat of vaporisation may be economically separated using
A Liquid extraction
B Distillation
C Evaporation
D Absorption
The solvent used in liquid extraction should not have high latent heat of vaporisation, because
A The pressure drop and hence the pumping cost will be very high
B It cannot be recovered by distillation
C Its recovery cost by distillation may be prohibitatively high
D It will decompose while recovering by distillation
Which of the following is not used for computing latent heat of vaporisation?
A Clausius-Clayperon equation
B Reference substance plots based on Durhing & Othmer plots
C Kistyakowasky's equation
D Hess
The latent heat of vaporisation
A Decreases with increased temperature
B Decreases as pressure increases
C Becomes zero at the critical point
D All of the above
Which law states that the specific heat of a gas remains constant at all temperatures and pressures?
A Charles' Law
B Joule's Law
C Regnault's Law
D Boyle's Law
When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures.
A Sum
B Difference
C Arithmetic mean
D Geometric mean
If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase are known, then the latent heat of fusion can be calculated by the
A Maxwell's equation
B Clayperon-Claussius equation
C Van Laar equation
D Nernst Heat Theorem

Next steps