Terylene is_________________?
Terylene is_________________?
A. Same as Dacron
B. A polyester
C. Both A. & B.
D. Neither A. nor B.
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The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is____________________?
The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is____________________?A. Polyvinyl alcohol
B. Polyvinyl acetate
C. Polyvinyl butyral
D. PVCThe generic chemical name for the class of polymers which are commercially known as nylons is______________________?
The generic chemical name for the class of polymers which are commercially known as nylons is______________________?A. Polyolefins
B. Polyamide
C. Polyacrylate
D. PolyurethaneIn a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher ___________________?
In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher ___________________?A. Densities
B. Melting point
C. Tensile strength
D. Hardness, rigidity & brittlenessSynthetic polymer produced by using terephthalic acid and ethylene glycol is _________________?
Synthetic polymer produced by using terephthalic acid and ethylene glycol is _________________?A. Terylene
B. Nylon-66
C. PVC
D. PolystyreneBuna-S is also known as_________________?
Buna-S is also known as_________________?A. Teflon
B. PTFE
C. SBR
D. PolycrylatesMaximum consumption of polymers is in___________________?
Maximum consumption of polymers is in___________________?A. Electrical insulation
B. Toys making
C. Coating and films
D. Packaging