Dacron is a/an ___________________?
Dacron is a/an ___________________?
A. Polyester
B. Unsaturated polyester
C. Polyamide
D. Inorganic polymer
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Terylene is_________________?
Terylene is_________________?A. Same as Dacron
B. A polyester
C. Both A. & B.
D. Neither A. nor B.All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it cannot be used for the production of plastic_______________?
All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it cannot be used for the production of plastic_______________?A. Filaments
B. Pipes
C. Buckets
D. TubingsIn step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is
Question: In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is
[A].terylene [B].
polybutadiene [C].
PVC [D].
polypropylene Answer: Option A
Explanation:
No answer description available for this question.
Which of the following low molecular weight (
Which of the following low molecular weight (<104), soft & waxy polymer is used in „chewing gum‟ ?A. Cellulose acetate
B. Polyvinyl acetate
C. Thiokol
D. PVCWhich of the following is the most important rubber compounding ingredient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness ?
Which of the following is the most important rubber compounding ingredient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness ?A. Phosphorous
B. Carbon black
C. e oil
D. RosinCatalyst used in the production of high density polythene by low pressure Ziegler process is ____________________?
Catalyst used in the production of high density polythene by low pressure Ziegler process is ____________________?A. Aluminium triethyl activated with TiCl4
B. Platinum
C. Molybdenum
D. Nickel