addition polymer
elastomer
thermoplastic
none of these
✅ The correct answer is option D.
Chemical Engineering MCQs
Bristles of tooth brushes are made of
nylon-6
nylon-66
polystyrene
PVC
✅ The correct answer is option B.
__________ fibres are made of polyamides.
Dacron
Nylon
Rayon
Orion
✅ The correct answer is option B.
Glyptal used in the manufacture of paints & lacquers is a __________ polymer.
polyamide
polystyrene
polyester
polyacrylonitrile
✅ The correct answer is option C.
The main feature of Carnot refrigeration cycle is that, it
A. Does not need the addition of external work for its functioning
B. Transfers heat from high temperature to low temperature
C. Accomplishes the reverse effect of the heat engine
D. None of these
✅ The correct answer is option C.
For an ideal gas, the internal energy depends upon its __________ only.
A. Molecular size
B. Temperature
C. Volume
D. Pressure
✅ The correct answer is option B.
Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is
A. 1
B. 4
C. 2
D. 3
✅ The correct answer is option C.
Bakelite (phenol-formaldehyde) resin can not be used as
decorative paint.
decorative laminates.
electrical insulation.
glass reinforced plastics.
✅ The correct answer is option A.
Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will
A. Increase
B. Decrease
C. Remain unchanged
D. First fall and then rise
✅ The correct answer is option A.
Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the
electrical insulation purpose.
tanning of leather.
strengthening of plaster of paris.
decorative laminates.
✅ The correct answer is option C.