Synthetic Fibers and Plastics

The first synthetic fiber is________. It was made in the year_____

• Nylon ,1930

• Nylon ,1931

• Nylon ,1932

• Rayon ,1931

A) Sprite can is a Biodegradable Material.

B) Paper takes 10 to 30 to Degenerate.

• Both are True

• Both are False

• Option A is True & Option B is False

• Option B is True & Option A is False

Which of the following is a thermoplastics.

• Polyvinyl Chloride

• Utensils

• Floor tiles

• All of the above

• plastic Container

Define Melamine ?

• It is a versatile material and It resists fire.

• It is a versatile material. and It catches fire very easily.

• It is a poor conductor of heat and It catches fire very easily.

• It is a poor conductor of heat and It resists fire.

Which is the weakest fiber.

• Wool

• Cotton

• Silk

• Nylon

(a)   Is the best fiber for making Parachutes.

(a)   is the fiber obtained by chemical treatment of wood pulp.

Terylene is a popular polywool

• TRUE

• FALSE

When we burn natural fiber it smells like__________ , Because natural fibers are ___________________ fiber.

• Burning Hair , Protein Fiber

• Burning Hair , Manufactured Fiber

• Burning paper , Protein Fiber

• Burning Paper , Manufactured Fiber

Which of the following is false about Synthetic Fiber.

• Less Expensive

• Dry Quickly

• Durable

• More Comfortable

• Do not melt on heating