phenol formaldehyde
an inorganic polymer
polytetra florouethylene (PTFE)
a monomer
✅ The correct answer is option C.
Polymer Technology MCQs
The monomer for the production of neoprene rubber is
acetylene
chloroprene
isoprene
none of these
✅ The correct answer is option B.
The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is
polyvinyl alcohol
polyvinyl acetale
polyvinyl butyral
PVC
✅ The correct answer is option C.
Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin.
resorcinol
phenol
para-cresol
melamine
✅ The correct answer is option D.
Alkyd resin is a/an
polyamide
polyester
polyolefin
addition polymer
✅ The correct answer is option B.
Identify the group in which all the polymers mentioned can be used to make fibres.
Butadiene copolymers, Polyamides, Urea aldehyde
Cellulose derivatives, Polyisoprene, Polyethylene
Cellulose derivatives, Polyamides, Polyurathane
Polypropylene, Poly vinyl chloride, Silicon
✅ The correct answer is option B.
Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used
for surface coating of automobiles & air crafts.
for fibre making.
as plasticiser for PVC & nitrocellulose.
for film forming materials.
✅ The correct answer is option B.
__________ scrap can be recycled & reutilised.
Bakelite
Epoxy resin
Polythene
none of these
✅ The correct answer is option C.
Silicone resins, which are highly water repellant and has good heat resistance can not be used
as room temperature adhesive.
as grease & lubricant.
hydraulic fluid for heat transfer.
resin for lamination.
✅ The correct answer is option A.
Thermocole (expanded polystyrene) is not used for
low temperature thermal insulation as in refrigerator and air conditioners.
accoustic control and ceiling for building.
high temperature thermal insulation in furnaces.
packing of delicate electronic gadgets.
✅ The correct answer is option C.