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.Management Sciences
Category: CHEMICAL ENGINEERING
Fast breeder reactors do not____________________?
A. Use Th-232 as fissile fuel
B. Convert fertile material to fissile material
C. Use fast neutrons for fission
D. Use molten sodium as coolant
In sewage treatment, the detention period allowed for oxidation ponds ranges from _____________ weeks?
A. 1 to 2
B. 4 to 5
C. 9 to 10
D. 15 to 20
Fermenter used in the production of penicillin by deep fermentation process is a ______________ lined steel vessel ?
A. Rubber
B. Monel
C. Glass
D. Nickel
Pick out the wrong statement?
A. Safety valves are provided in heat exchangers for removal of non-condensable
B. Liquid metals and Dowtherm are used for very high temperature heating
C. In a shell and tube heat exchanger, high pressure fluid is generally routed through the tube
D. A loop seal or U-seal is provided in a vertical condenser sub-cooler to prevent quick draining
of the condensate
Conversion of SO2 to SO3 in Monsanto 4-pass converter is about ____________________ percent?
A. 80
B. 90
C. 98
D. 100
Pick out the wrong statement?
A. Polymers made of only one monomer is called homopolymer
B. Polymers made of more than one monomer is called copolymer or mixed polymer
C. Vulcanised rubber is more elastic than natural rubber
D. The intermolecular forces in thermoplastic polymers are intermediate to that of elastomers &
fibres
A coal with high _____________ content, would ignite most easily?
A. Fixed carbon
B. Volatile matter
C. Ash
D. Oxygen
Nature of fluid flow during the opening of a valve in a pipeline is_________________?
A. Laminar
B. Unsteady
C. Steady
D. Uniform
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