The nuclear fusion is a reverse process of
A.nuclear fission
B.thermionic emission
C.radioactive decay
D.none of the above
Category: Chemical Engineering Mcqs
If in a system ratios of the velocity and acceleration of the homologous particles are equal, the similarity being considered is
A.geometric similarity
B.kinematic similarity
C.thermal similarity
D.dynamic similarity
In a distillation operation the reflux ratio may vary between
A.zero and one
B.zero and infinity
C.minimum and infinity
D.one and two
Superphosphate contains
A.16-20% P2O5
B.30-35% P2O5
C.42-50% P2O5
D.70-75% P2O5
Slaked lime is produced by
A.hydrogenation of quicklime
B.hydration of quicklime
C.dehydration of quicklime
D.dehydrogenation of quicklime
The relative volatility of aomponent A relative to component B is equal to the ratio of vapour pressure of component A to vapour pressure of component B at the existing temperature if
A.the total pressure is 1 atm
B.the liquid phase behaves as an ideal solution
C.the vapour phase behaves as an ideal gas
D.both the liquid phase and vapour phase are ideal
Ionic reactions proceed in
A.solid state only
B.liquid state only
C.any state
D.solution
The emission of a ?-particle causes the resultant nucleus to have
A.less atomic weight
B.more atomic weight
C.less atomic number
D.higher atomic number
In the Edeleanu process solvent used is
A.furfural
B.hydrogen peroxide
C.liquid sulphur dioxide
D.phenol
The number of neutrons in the nucleus of tritium is
A.1
B.2
C.3
D.4
