Question : A _______ thread is stronger than steel wire.
Option 1: Wool
Option 2: Cotton
Option 3: Jute
Option 4: Nylon
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Correct Answer: Nylon
Solution : The correct option is Nylon.
Nylon is a synthetic polymer noted for its exceptional strength-to-weight ratio, making it a good material for manufacturing threads, and fibres stronger than similar steel wires. The molecular structure of nylon has high intermolecular forces due to amide bonds, which contribute to its strength. It is suitable for textiles, ropes, and fishing lines because of its flexibility, elasticity, and durability. It can bear strain, and stretch before breaking.
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Question : Which of the following fibres is considered as the strongest natural fibre ?
Option 1: Cotton
Option 2: Jute
Option 3: Wool
Option 4: Silk
Question : Food crops comprise.
Option 1: Cotton, Tobacco, Sugarcane
Option 2: Linseed, Castor, Turmeric
Option 3: Foodgrains, Pulses, Edible oilseed
Option 4: Jute, Cotton, Chillies
Question : Which of the following is not a natural fibre?
Option 1: Linen
Option 3: Rayon
Option 4: Jute
Question : Which of the following fibers catches fire least?
Option 1: Nylon
Option 4: Terricot
Question : The industry having the largest investment in the Indian economy is:
Option 1: tea
Option 2: cement
Option 3: steel
Option 4: jute
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