Chemical Engineering MCQs

6108 MCQs  (Page 118 of 611)

Fourdrinier machine is used in the manufacture of ___________________?
A. Sugar
B. Paper
C. Alcohol from molasses
D. Phenol formaldehyde
Which glass is usually used in optical work ?
A. Lead glass
B. High silica (borosilicate) glass
C. Photo-sensitive glass
D. Fibre glass
The major use of butadiene is____________________?
A. As a plasticiser for unsaturated polyester
B. In the manufacture of synthetic rubber
C. As an anti-skinning agent in paint
D. None of these
____________________ of rubber decreases after its vulcanisation?
A. Resistance to the action of organic solvent
B. Tackiness
C. Maximum service temperature
D. Tensile strength
Stereospecific agents are exemplified by________________?
A. Radiation
B. Supported metal oxide catalysts
C. Ziegler catalysts
D. All a , b. & c
Hydrogenation of oil does not ___________________?
A. Remove double bonds
B. Raise its melting point
C. Improve its resistance to oxidation
D. None of these