Give reasons for the following- a)Nylon is used for making ropes for rock climbing. b)Nylon is used for making bristles of toothbrushes. c)We should not wear synthetic clothes while working in the kitchen. d) Uniform of fireman has a coating of melamine.
Answers
Explanation:
a)Nylon is used for making ropes for rock climbing and parachutes because it possesses tough material . nylon is a very strong and light fibre. That's why they are used for making ropes for rock climbing and parachutes.
b)The reason of making use of nylon in tooth brushes is that it is one of the earliest discovered plastic materials which had the property to be made into fibers . So, it was the plastic material which replaced the animal hairs from pigs and wild boars which were previously used to make toothbrushes !
c)Synthetic fibers melt on heating. If they catch fire, they melt and stick to the body of the person wearing them. This is why it is advised not to wear clothes made of synthetic fiber while working in a kitchen or in a fire laboratory.
d)Firemen use Melamine coated uniform. ... Melamine is a fire retardant plastic, which resist the spread of fire. It is used in the uniform of fireman for the protection of human body form heat hazards. It is also use in airplanes, buses etc. to prevent the spread of fire.
Answer:
A) Nylon is a very tough and strong material. Because of this property, nylon ropes are used for rock climbing. Nylon is used for making ropes for rock climbing and parachutes because it possesses tough material . nylon is a very strong and light fibre.
B) The reason of making use of nylon in tooth brushes is that it is one of the earliest discovered plastic materials which had the property to be made into fibers . So, it was the plastic material which replaced the animal hairs from pigs and wild boars which were previously used to make toothbrushes !
C) Synthetic fibers melt on heating. If they catch fire, they melt and stick to the body of the person wearing them. This is why it is advised not to wear clothes made of synthetic fiber while working in a kitchen or in a fire laboratory.
D) Firemen use Melamine coated uniform. ... Melamine is a fire retardant plastic, which resist the spread of fire. It is used in the uniform of fireman for the protection of human body form heat hazards. It is also use in airplanes, buses etc. to prevent the spread of fire.
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