Chemical Engineering MCQs

6108 MCQs  (Page 122 of 611)

Zeolite is used in the ____________________ ?
A. Water treatment
B. Glass manufacture
C. Hydrogenation of fatty oil as a catalyst
D. Development of exposed photographic plate
____________________ is a thermosetting plastic ?
A. Polythene
B. Epoxy polymer
C. P.v.c.
D. Polystyrene
Which is a high grade pulp ?
A. Rag pulp
B. Mechanical pulp
C. Sulphate pulp
D. Sulphite pulp
Wet chlorine gas produced during electrolysis of brine is dehydrated by__________________?
A. Spraying 66° be h2so4 counter current to the flow of the gas
B. Passing it through a bed of diatomaceous earth
C. Passing it through a bed of silica gel
D. None of these
Nylon-6 is a__________________?
A. Polyamide
B. Thermosetting resin
C. Polyester
D. None of these
Ore concentration by froth floatation utilises the ______________ of ore particles ?
A. Density difference
B. Wetting characteristics
C. Terminal velocities
D. None of these