1). Give examples which indicate that nylon fibres are very strong. 2).Why is teflon used as tape for sealing purpose ?
Answers
Answer:
ANS 1
Nylon is a man-made fibres made from coal,water and air. A nylon thread is actually stronger than a steel wire. The following examples indicate that nylon fibres are very strong :
Nylon is used in making parachutes.
It is used in making ropes for rock climbing.
It is used in making sport accessories like rackets.
It is used in making ropes of boats.
It is used for making fishing nets,seat belts,etc.
ANS 2
Thread seal tape (also known as PTFE tape, Teflon tape, or plumber's tape) is a polytetrafluoroethylene (PTFE) film tape commonly used in plumbing for sealing pipe threads. ... Thread seal tape lubricates allowing for a deeper seating of the threads, and it helps prevent the threads from seizing when being unscrewed.
Explanation:
rope for rock climbing is made up of nylon fibres . This is because nylon is a strong fibre that's why rope is made up of nylon.