Most important Chemical Engineering MCQs with answers for chemical engineers jobs test preparation online.
Chemical Engineering MCQs
Maximum heat transfer rate can be expected in case of:
A. Laminar flow
B. Co-current flow
C. Turbulent flow
D. Heat flow rate is independent
Baffles are provided in heat exchangers to:
A. Remove dirt
B. Increase heat transfer rate
C. Reduce vibrations
D. Reduce heat transfer rate
The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal _____ in the two phases:
A. Potential energy
B. Intermolecular forces
C. Kinetic energy
D. Total energy
At a temperature of 0°K, the molecules of a gas have only _____ energy:
A. Rotational
B. Vibrational
C. Translational
D. None of these
On mixing 56 gm of CaO with 63 gm of HNO3, the amount of Ca(NO3)2 formed is ___ gm:
A. 82
B. 164
C. 41
D. 8.2
Atmospheric pressure corresponds to a hydrostatic head of:
A. 13.6 cms of Hg
B. 34 ft ofH2O
C. 1 metre of H2O
D. 13.6 metres of Hg
Clausius Clapeyron equation applies to the ___ process:
A. Sublimation
B. Melting
C. Vaporisation
D. All A., B. & C.
___ chart is a graph related to Antoine equation:
A. Ostwald
B. Cox
C. Mollier’s
D. Enthalpy-concentration
If a solution of eutectic composition is cooled, ____ reaching the eutectic temperature:
A. The solvent begins to freeze out even before
B. It will undergo no change until
C. It will not solidify even on
D. None of these
The heat of solution depends upon the:
A. Nature of solvent
B. Concentration of solution
C. Nature of solute
D. All A., B. & C.
