Which oil is preferred for paint manufacture ?
A. Drying oil
B. Non-drying oil
C. Semi-drying oil
D. Saturated oil
Month: February 2019
Thorium is mainly used _______________?
Thorium is mainly used _______________?
A. For the manufacture of gas mantles
B. As a fissile fuel in a nuclear reactor
C. In the manufacture of hydrogen bomb
D. In the treatment of cancer
Drinking (potable) water treatment does not involve __________________?
Drinking (potable) water treatment does not involve __________________?
A. Coagulation
B. Sedimentation
C. Softening
D. Disinfection
Removal of dirt/soil by soaps or detergent does not involve the _______________ of soil ?
Removal of dirt/soil by soaps or detergent does not involve the _______________ of soil ?
A. Emulsification
B. Dispersion
C. Precipitation
D. Wetting
Polyvinyl chloride (PVC) is____________________?
Polyvinyl chloride (PVC) is____________________?
A. A thermosetting material
B. A condensation polymerisation product
C. Made by employing emulsion polymerisation
D. None of these
Starting raw material for the manufacture of Maleic anhydride is___________________?
Starting raw material for the manufacture of Maleic anhydride is___________________?
A. n-butene
B. Benzene
C. Either A. or B.
D. Neither A. nor B.
Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about _____________ percent?
Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about _____________ percent?
A. 75
B. < 10
C. > 30
D. 50
Kopper-Totzek coal gasifier_________________?
Kopper-Totzek coal gasifier_________________?
A. Can give ammonia synthesis gas (H2 + N2)
B. Is a moving bed reactor
C. Cannot use coking coal
D. Operate at very high pressure
Carboxymethyl cellulose (CMC) is added in detergents to act as a/an___________________?
Carboxymethyl cellulose (CMC) is added in detergents to act as a/an___________________?
A. Surfactant
B. Builder
C. Optical brightening agent
D. Anti soil redeposition agent
Lindane is____________________?
Lindane is____________________?
A. Not a fumigant
B. BHC (Benzene Hexachloride) containing 99% γ-isomer
C. A by-product of BHC manufacture
D. Both B. and C.