POLYMER TECHNOLOGY QUIZ

Catalyst used in the production of high density polythene by low pressure Ziegler process is

Aluminium triethyl activated with TiCl₄

Nickel

Molybdenum

Platinum

TRUE ANSWER : ?
YOUR ANSWER : ?

Ion exchange resins are made of

Polystyrene

Sulphonated bakelite

Lucite

Teflon

TRUE ANSWER : ?
YOUR ANSWER : ?

Thermocole (expanded polystyrene) is not used for

High temperature thermal insulation in furnaces

Accoustic control and ceiling for building

Packing of delicate electronic gadgets

Low temperature thermal insulation as in refrigerator and air conditioners

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following polymers belong to the class of formaldehyde resin?

Dacron

Melamine resins

Teflon

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is an inorganic polymer?

Bakelite

Teflon

Perspex

Silicones

TRUE ANSWER : ?
YOUR ANSWER : ?

Branched chair polymers as compared to linear polymers have

Higher tensile strength

Lower density

None of these

Higher melting point

TRUE ANSWER : ?
YOUR ANSWER : ?

Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is

Ni

V₂O₅

Fe

Aluminium triethyl combined with titanium tetrachloride

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following types of polymers has the strongest inter particle forces?

Thermoplastics

Thermosetting polymers

Fibres

Elastomers

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a polyolefin?

Neoprene

Polypropylene

Polystyrene

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The synthetic fibres produced from __________ are known as rayon.

Lignin

Ethylene glycol

Cellulose

Polyamides

TRUE ANSWER : ?
YOUR ANSWER : ?

↑