Melt spinning of polymers involves the forcing of polymer melt through spinnerates (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the _____________ fibres?

Related Mcqs:

Buna-S is a _______________ material?

A. Fibrous B. Plastic C. Resinous D. Rubbery...

Which of the following is generally not used as eord for synthetic rubber tyre casing ?

A. Dacron B. Nylon C. Cellulose D. None of these...

Thermosetting resins/polymers as compared to thermoplastic ones are ____________________?

A. Soluble in all organic solvents B. More brittle C. Formed by addition polymerisation only D. Easily reshaped & reused...

Thermoplastic materials___________________?

A. Do not soften on application of heat B. Are heavily branched molecules C. Are solvent insoluble D. None of these...

Lavatory cisterns are normally made of ________________?

A. Expanded polystyrene B. Saturated polyester C. Perspex D. PVC...