100
150
350
450
✅ The correct answer is option B.
Polymer Technology MCQs
Collapsible tubes for tooth paste are produced by __________ extrusion.
direct
indirect
impact
none of these
✅ The correct answer is option C.
Nylon-6 as compared to nylon-66 is
harder.
more abrasion resistant.
having higher melting point.
none of these.
✅ The correct answer is option D.
Which of the following polymers does not belong to the class of polyacrylate polymer ?
PMMA
Polyacrylonitrile
Polyethyl acrylate
None of these
✅ The correct answer is option D.
Catalyst used in the production of high density polythene by low pressure Ziegler process is
aluminium triethyl activated with TiCl4
platinum
molybdenum
Nickel
✅ The correct answer is option A.
Cation exchange resins used in water treatment is made from __________ resin.
urea formaldehyde
epoxy
amino
phenolic
✅ The correct answer is option A.
Vulcanisation of raw rubber makes it
soft
less elastic
plastic
tacky
✅ The correct answer is option B.
Softening point of high density polythene is about __________ °C.
85
135
165
205
✅ The correct answer is option B.
Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten
saturated polyester
polyurathane
polystyrene
either (b) or (c)
✅ The correct answer is option D.
Amino resins are used in paper treatment to improve its
wet tear and bursting strength.
folding endurance
wet rub resistance
all (a), (b) & (c)
✅ The correct answer is option D.