Buna-S is a _______________ material?
A. Fibrous
B. Plastic
C. Resinous
D. Rubbery
Buna-S is a _______________ material? Read More »
Polymer Technology A. Fibrous
B. Plastic
C. Resinous
D. Rubbery
Buna-S is a _______________ material? Read More »
Polymer Technology A. Starch
B. Cellulose
C. Proteins
D. Nucleic acids
A. Epoxy
B. Amino
C. Alkyd
D. Phenolic
A. Propylene
B. Phenol & formaldehyde
C. Phenol & acetaldehyde
D. Urea & formaldehyde
Condensation polymerisation of _____________ produces Bakelite? Read More »
Polymer Technology A. Ductile
B. Brittle
C. Malleable
D. None of these
Polystyrene is a ____________ plastic at room temperature? Read More »
Polymer Technology A. 1: 3
B. 3 : 1
C. 1 : 2
D. 2 : 1
A. Treylene
B. Orlon
C. Saran
D. Dacron
A copolymer of vinyl and vinylidene chloride is called_____________________? Read More »
Polymer Technology A. Bakelite
B. Teflon
C. Perspex
D. Nylon-6
Poly-methyl-methacrylate (PMMA) is known as_______________? Read More »
Polymer Technology A. 1000 to 5000
B. 5000 to 1000
C. 20000 to 25000
D. 109 to 1011
Molecular weights of plastics ranges from_______________? Read More »
Polymer Technology A. Bakelite (phenol formaldehyde)
B. Polyester
C. Polythene
D. Nylon-6