Questions :-
1.Name the fibres which are made by human beings.
(a)Natural fibre
(b)Synthetic fibre
(c)Both of these
(d)None of these
2.When small unit combine to form a large single unit then it is called __________
(a)Polymer
(b)Nylon
(c)Cellulose
(d)None of these
3.Synthetic fibres are also known as ____________
(a)Branched fibre
(b)Straight fibre
(c)Man – made fibre
(d)None of these
4.Name the fibre, having properties similar to that of silk.
(a)Nylon
(b)Rayon
(c)Polyster
(d)None of these
5.___________ is used for making parachutes and ropes for rock climbing.
(a)Nylon
(b)Rayon
(c)Polyster
(d)None of these
6.Terylene is an example of __________
(a)Nylon
(b)Rayon
(c)Polyster
(d)None of these
7.Synthetic fibres prepared using raw materials of petroleum origin called _________
(a)Petrochemicals
(b)Polyster
(c)Acrylic
(d)None of these
8.Plastics arrangement is __________
(a)Linear
(b)Cross linked
(c)Linear as well as cross linked
(d)None of these
9.___________ can be recycled, reused, melted and rolled into sheets.
(a)Polyster
(b)Plastics
(c)Both of these
(d) None of these
10.Name the plastic, which deformed easily on heating and can be bent easily.
(a)Thermoplastics
(b)Thermosetting
(c)Both of these
(d)None of these
[WpProQuiz 794]