Hot drink (e.g., tea) cups are usually made of _____________________?

Related Mcqs:

Molecular weights of plastics ranges from_______________?

A. 1000 to 5000 B. 5000 to 1000 C. 20000 to 25000 D. 109 to 1011...

Which of the following is the most important rubber compounding ingredient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness ?

A. Phosphorous B. Carbon black C. Pine oil D. Rosin...

Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to _________________?

A. Protect rubber goods from attack by oxygen & ozone present in the atmosphere B. Reduce its viscosity to permit easier processing C. Reduce the time of vulcanisation and quantity of vulcanising agent D. Increase its viscosity...

In condensation polymerisation as compared to addition polymerisation____________________?

A. The monomers are unsaturated compounds B. No co-product is lost C. The monomers contain two functional groups D. Generally only one monomer is involved...

The process involved in converting rubber into a thin sheet or coating it on fabric is called__________________?

A. Extrusion B. Mastication C. Calendaring D. Vulcanisation...