A. PVC
B. Silicone rubber
C. Polyurethanes
D. Polyamides
Related Mcqs:
- Flexible plastic pipes are made of___________________?
A. High density polyethylene (HDPE)
B. Low density polyethylene (LDPE)
C. Polypropylene
D. Unsaturated polyester - Thermocol is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten__________________?
A. Saturated polyester
B. Polyurethane
C. Polystyrene
D. Either B. or C. - Hot drink (e.g., tea) cups are usually made of _____________________?
A. Polystyrene
B. Polythene
C. Polypropylene
D. PVC - Liners of bags are usually made of ____________________?
A. Polythene
B. PVC
C. Polypropylene
D. Polyesters - Viscosity of a polymer solution or melt _________________?
A. Decreases with increase in molecular weight
B. Decreases with increase in temperature
C. Increases with increase in temperature
D. Does not vary with temperature rise - Synthetic polymer produced by using terephthalic acid and ethylene glycol is _________________?
A. Terylene
B. Nylon-66
C. PVC
D. Polystyrene - Neoprene is chemically known as _________________?
A. Polybutadiene
B. Styrene butadiene rubber (SBR)
C. Polyurethane
D. Poly chloroprene - Branched chair polymers as compared to linear polymers have _________________?
A. Higher melting point
B. Higher tensile strength
C. Lower density
D. None of these - 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 - Polycaprolactam is also known as _________________?
A. Nylon-66
B. Nylon-6
C. Teflon
D. SBR
Mcq Added by: admin