Chemical Engineering MCQs

A. Superheated vapour
B. Partially condensed vapour with quality of 0.9
C. Saturated vapour
D. Partially condensed vapour with quality of 0.1

A. -19.4
B. -30.2
C. 55.2
D. -55.2

A. Specific heat
B. Latent heat of vaporisation
C. Viscosity
D. Specific vapor volume

A. Molten sodium
B. Molten lead
C. Mercury
D. Molten potassium

A. Entropy
B. Gibbs energy
C. Internal energy
D. Enthalpy

A. It is exothermic
B. It is isenthalpic
C. It takes place isothermally
D. It takes place at constant volume

A. Heat absorbed
B. Work done
C. Both a. & b
D. Neither a. nor b

A. 0
B. 273
C. 25
D. None of these

A. Free expansion of a gas
B. Compression of air in a compressor
C. Expansion of steam in a turbine
D. All (a), b. & (c)

A. Two different gases behave similarly, if their reduced properties (i.e. p, v and t) are same
B. The surface of separation (i. e. the meniscus) between liquid and vapour phase disappears at
The critical temperature
C. No gas can be liquefied above the critical temperature, howsoever high the pressure may be.