Polymer Technology - Practice Test

[#106] Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an

(A) Polyester

(B) Polyamide

(C) Polyisoprene

(D) Polystyrene

Correct Answer

(B) Polyamide

[#107] __________ polymer is used for making unbreakable crockery.

(A) Thermoplastic

(B) Melamine

(C) Addition

(D) None of these

Correct Answer

(B) Melamine

[#108] Poly Vinyl chloride (PVC) is a __________ material.

(A) Thermoplastic

(B) Thermosetting

(C) Fibrous

(D) Chemically active

Correct Answer

(A) Thermoplastic

[#109] Pick out the wrong statement regarding the solubility characteristics of high polymers.

(A) Greater the degree of cross-linking in the polymer, lesser is its solubility

(B) Polymers having more aliphatic character are more soluble in aliphatic solvents, while those polymers having more aromatic character are more soluble in aromatic solvents

(C) Swelling tendency or solubility of polymers in a particular solvent decreases with increase in molecular weight of the solvent

(D) High molecul ar weight polymers on dissolving gives solution of very low viscosity

Correct Answer

(D) High molecul ar weight polymers on dissolving gives solution of very low viscosity

[#110] __________ is a copolymer.

(A) Nylon-66

(B) Polyrophylene

(C) PVC

(D) Polytetrafluoroethylene

Correct Answer

(A) Nylon-66

Polymer Technology - Study Mode

[#106] Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an

Correct Answer

[#107] __________ polymer is used for making unbreakable crockery.

Correct Answer

[#108] Poly Vinyl chloride (PVC) is a __________ material.

Correct Answer

[#109] Pick out the wrong statement regarding the solubility characteristics of high polymers.

Correct Answer

[#110] __________ is a copolymer.

Correct Answer