Buna-S is also known as_________________?
Buna-S is also known as_________________?
A. Teflon
B. PTFE
C. SBR
D. Polycrylates
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Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of________________?
Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of________________?A. Cold SBR
B. Butyl rubber
C. Bunai N
D. Buna SScouring is a finishing operation during the manufacture of fibre, which aims at ______________ of fibres?
Scouring is a finishing operation during the manufacture of fibre, which aims at ______________ of fibres?A. Improving the stretchability
B. Dyeing/colouring
C. Detergent solution washing
D. Glycol soakingContact lenses for eyes are made of perspex, which is nothing but
Question: Contact lenses for eyes are made of perspex, which is nothing but
[A].polymethylmethacrylate [B].
polystyrene [C].
unsaturated polyester [D].
polypropylene Answer: Option A
Explanation:
No answer description available for this question.
Polyhexamethylene adipamide is also known as______________?
Polyhexamethylene adipamide is also known as______________?A. Bakelite
B. Nylon-66
C. Epoxy resin
D. Silicone rubberWhich of the following is not a condensation polymer ?
Which of the following is not a condensation polymer ?A. Bakelite
B. Melamine polymer
C. Poly-methyl-methacrylate (PMMA)
D. None of theseWhich of the following polymers belong to the class of formaldehyde resin ?
Which of the following polymers belong to the class of formaldehyde resin ?A. Melamine resins
B. Teflon
C. Dacron
D. None of these