Which of the following is a natural polyamide fiber?
A. Wool
B. Silk
C. Cotton
D. None of these
Which of the following is a natural polyamide fiber? Read More »
Polymer Technology A. Wool
B. Silk
C. Cotton
D. None of these
Which of the following is a natural polyamide fiber? Read More »
Polymer Technology A. Deforms, if stretched to double of its original dimension
B. Is brittle at low temperature
C. Is softer at higher temperature
D. Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases
Synthetic rubber___________________? Read More »
Polymer Technology A. Cellulose
B. Dacron
C. Nylon-6
D. None of these
_______________ is a natural fiber? Read More »
Polymer Technology A. Softness
B. Oxidation resistance
C. Weight & strength
D. Elasticity & water solubility
Vulcanisation of rubber does not increase its__________________? Read More »
Polymer Technology A. Teflon
B. Bakelite
C. Polyester
D. Nylon-66
A. Elasticity
B. Plasticity
C. Ductility
D. None of these
Vulcanisation of rubber does not increase its_________________? Read More »
Polymer Technology A. PVC
B. Polythene
C. Bakelite
D. Polystyrene
_____________ is a thermosetting plastic ? Read More »
Polymer Technology A. Nylon-6
B. Nylon-66
C. Nylon-6, 10
D. Epoxy resin
Which of the following is a polymer of Hexamethylene diamine and adipic acid ? Read More »
Polymer Technology A. Melamine formaldehyde resin
B. Phenolic resin
C. Epoxy resin
D. Alkyd resin
Which of the following polymers shows the highest anti-tacking properties ? Read More »
Polymer Technology A. Ethylene glycol
B. Stearic acid estors
C. Tricresyl phosphate
D. Esters of phthalic acid