does not produce linear polymers.
produces only thermoplastic material.
produces epoxy polymers.
does not need any catalyst.
✅ The correct answer is option C.
Chemical Engineering MCQs
Polymethyl methacrylate, which is an acrylic resin, is also called
thiokol
plexiglass or lucite
dacron
teflon
✅ The correct answer is option B.
Which of the following is not a polymer of two monomers ?
Teflon
Bakelite
SBR
None of these
✅ The correct answer is option A.
Phenol formaldehyde
employs addition polymerisation.
employs condensation polymerisation.
is a monomer.
is an abrasive material.
✅ The correct answer is option B.
Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness ?
Phosphorous
Carbon black
Pine oil
Rosin
✅ The correct answer is option B.
Neoprene is rendered non-inflammable, because of
its cross-linked structure.
its linear chain structure.
the presence of chlorine atoms in its monomer.
the absence of chlorine atoms in its monomer.
✅ The correct answer is option C.
Perspex can be used as a substitute of glass. Its monomer is
methyl methacrylate
DMT
butadiene
tetrafluroethylene
✅ The correct answer is option A.
Starting material for the production of SBR is
ethyl alcohol
ethylene
both (a) & (b)
neither (a) nor (b)
✅ The correct answer is option C.
Nylon 6 as compared to nylon 6, 6 has lower
abrasion resistance.
thermal stability.
adhesion to rubber.
hardness.
✅ The correct answer is option A.
Thermosetting materials
are cross-linked molecules.
soften on application of heat.
are solvent soluble.
none of these.
✅ The correct answer is option A.