A. Thermosetting material
B. Exemplified by protein derivatives
C. Having high flexural strength
D. Having very high tensile strength and heat resistance
Related Mcqs:
- Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of _______________ percent?
A. 1-1000
B. 1000-1500
C. 1500-2000
D. 2000-2500 - Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are__________________?
A. 5°C and 1 kgf/cm2
B. – 20°C and 1 kgf/cm2
C. 0°C and 1 kgf/cm2
D. 0°C and 3 kgf/cm2 - Cross linked polymers are__________________?
A. Thermoplastic
B. Thermosetting
C. Either A. or B.
D. Fibres only - Caprolactam, a raw material for the manufacture of nylon-6, is produced from_______________?
A. Phenol
B. Naphthalene
C. Benzene
D. Pyridine - Which of the following is not a thermoplastic material ?
A. Epoxy polymer
B. PVC
C. Polystyrene
D. Polythene - Flexible plastic pipes are made of___________________?
A. High density polyethylene (HDPE)
B. Low density polyethylene (LDPE)
C. Polypropylene
D. Unsaturated polyester - Poly Vinyl chloride (PVC) is a ________________ material?
A. Thermoplastic
B. Thermosetting
C. Fibrous
D. Chemically active - Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA) ?
A. Perspex
B. Lucite
C. Plexiglass
D. Teflon - _____________ polythene is most prone to stress-cracking ?
A. High density
B. Low density
C. Cross-linked
D. Linear low density - Polyvinyl chloride (PVC) ____________________?
A. Is produced by Polycondensation reaction
B. Uses either emulsion or suspension polymerisation methods
C. Can be made thermosetting by adding a plasticiser
D. Softening temperature is 200°C
