Formation of fog is due to
A.Low pressure
B.High pressure
C.Night showers
D.Humidity
E.Temperature fall of atmosphere
Category: Chemical Engineering Mcqs
In the UDEX process for the extraction of armatics from reformed naphtha the solvent used is
A.liquid sulphur dioxide
B.a mixture of diethylene glycol and water
C.a mixture of methyl ethyl ketone and benzene
D.iron
At minimum reflux ratio the fixed cost of a distillation column is
A.minimum number of plates
B.infinite
C.optimum
One kWh is equal to
A.3.6 x 108 J
B.3.6 x 106 J
C.3.6 x 107 J
D.3.6 x 105 J
The density of water is maximum at
A.20?C
B.4?C
C.0?C
D.? 4?C
E.Absolute zero
