Chemical Engineering MCQs

A. Vapour pressure is relatively low and the temperature does not vary over wide limits
B. Vapour obeys the ideal gas law and the latent heat of vaporisation is constant
C. Volume in the liquid state is negligible compared with that in the vapour state
D. All a, b. and c

A. 0
B. +ve
C. -ve
D. ∞

A. Adiabatic
B. Reversible
C. Isothermal
D. None of these

A. De = tds – pdv
B. Dq = cvdt + pdv
C. Dq = cpdt + vdp
D. Tds = de – pdv

A. Pressure
B. Volume
C. Temperature
D. All a, b. & c

A. 100
B. 50
C. 205
D. 200

A. A heating effect
B. No change in temperature
C. A cooling effect
D. Either a. or (c)

A. Increases
B. Decreases
C. Remains unchanged
D. May increase or decrease; depends on the substance

A. Cv
B. Entropy change
C. Gibbs free energy
D. None of these

A. Molar concentration
B. Temperature
C. Internal energy
D. None of these