11. …………fibre was prepared form coal, water and air.
(A) Nylon
(B) Rayon
(C) Polyester
(D) Plastic
12. Which of the following articles are made from the nylon fibre?
(A) Socks and ropes for climbing
(B) Parachutes, Tents and toothbrush
(C) Sleeping bags and curtains
(D) All of the above
13. Properties of nylon fibre are
(A) Strong and elastic
(B) Light and lustrous
(C) Easy to wash
(D) All of the above
14. Nylon threads are stronger than
(A) Steel wires
(B) Plastic wires
(C) Polyester wires
(D) None of the above
15. ………………is a popular polyester which is used in dress materials.
(A) Thermoplastic
(B) Acrylic
(C) Terylene
(D) Both (B) and (C)
16. ……………is used for making bottles, utensils, films, wires and many useful products.
(A) PET
(B) GET
(C) RET
(D) NET
17. Full form of PET
(A) Polyethylene terephthalate
(B) Polyethene terephthalate
(C) Poly Terephalete
(D) None of the above
18. …………..is made up of the repeating units of a chemical called ester.
(A) Polythene
(B) Polyester
(C) Elastic
(D) Nylon
19. …………….fibre melts on heating.
(A) Jute
(B) Cotton
(C) Synthetic
(D) All of the above
20. The synthetic fibres are prepared by a number of processes using raw materials of petroleum origin are called
(A) Petrochemicals
(B) Petrosynthetic
(C) Petrofibres
(D) None of the above
Answers:-
| 11-(A) | 12-(D) | 13-(D) | 14-(A) | 15-(D) | 16-(A) | 17-(A) | 18-(B) | 19-(C) | 20-(A) |