in making PVC
as plasticisers
in insecticides manufacture
for making nylon-6
✅ The correct answer is option B.
Chemical Engineering MCQs
Polymers are
micromolecules
macromolecules
sub-micromolecules
none of these
✅ The correct answer is option B.
Nylon-6 is a
polyamide
thermosetting resin
polyester
none of these
✅ The correct answer is option A.
Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an
polyester
polyamide
polyisoprene
polystyrene
✅ The correct answer is option B.
Styrene butadiene rubber (SBR) is
a natural rubber.
another name of silicone rubber.
a synthetic polymer.
a synthetic monomer.
✅ The correct answer is option C.
Polycaprolactum is also known as
nylon-66
nylon-6
teflon
SBR
✅ The correct answer is option B.
Terylene is a/an
addition polymer
poly amide
homopolymer
none of these
✅ The correct answer is option D.
Polyurathane can not be used to make
automobile cushion
thermal insulation in refrigerator
coating and adhesive
fibre reinforced plastic (FRP)
✅ The correct answer is option D.
Diphenylamine is added to rubber to
valcanise it.
protect it from deterioration on exposure to air.
make it non-inflammable.
make it thermosetting.
✅ The correct answer is option B.
The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change
A. With pressure changes at constant temperature
B. Under reversible isothermal volume change
C. During heating of an ideal gas
D. During cooling of an ideal gas
✅ The correct answer is option A.