THREE PHASE INDUCTION MOTORS QUIZ

Production of one ton of cement requires about __________ tons of limestone.

3.8

0.6

1.2

2.2

TRUE ANSWER : ?
YOUR ANSWER : ?

P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as

Teflon

Nylon-66

Neoprene

Bakelite

TRUE ANSWER : ?
YOUR ANSWER : ?

Chloral is used in the manufacture of

Parathion

DDT

BHC

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Cumene is the starting material for the production of

Benzoic acid

Isoprene

Styrene

Phenol and acetone

TRUE ANSWER : ?
YOUR ANSWER : ?

Pencillin, an antibiotic drug was discovered by

Dr. Zivago

None of these

Flaming

Alexender

TRUE ANSWER : ?
YOUR ANSWER : ?

Styrene (a monomer for the production of polystyrene) is commercially produced by

Fermentation of starch

Reacting ethylene oxide with acetal-dehyde

Dehydration of ethyl alcohol followed by hydrogenation

Catalytic dehydrogenation of ethyl benzene

TRUE ANSWER : ?
YOUR ANSWER : ?

Oil produced by solvent extraction

Neither A nor B

Both A & B

Is odourless

Has low free fatty acid content

TRUE ANSWER : ?
YOUR ANSWER : ?

SO₂ is bubbled through hot sugar cane juice to

Increase the crystal size

Increase its concentration

Act as an acidifying agent

Increase the amount of molasses

TRUE ANSWER : ?
YOUR ANSWER : ?

Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

Lime soda

Permutit

Reverse osmosis

Sand filter

TRUE ANSWER : ?
YOUR ANSWER : ?

Air used in aerobic fermentation must be sterilized, otherwise the

Contamination of pure culture would result

Uniformity of product cannot be achieved

Recovery of product will be difficult

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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