Related Questions

Which of the following is generally not used as eord for synthetic rubber tyre casing?
A Dacron
B Nylon
C Cellulose
D None of these
World's largest synthetic rubber and tyre making centre is ________
A Cleveland
B Sharon
C Akron
D Wheeling
Synthetic rubber
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
Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex?
A Ammonium alum
B Potassium alum
C Both A & B
D Neither A nor B
Styrene-butadiene-rubber (SBR) as compared to natural rubber has
A Poorer tensile strength
B Poorer resistance to oxidation
C Greater amount of heat build-up under heavy loading
D All of the above
Styrene butadiene rubber (SBR) as compared to natural rubber has
A Poor tensile strength
B Poorer resistance
C Greater amount of heat build up heavy loading
D All of the above
Which of the following is a synthetic fibre?
A Polyester
B Viscose rayon
C Flax
D Wool
Which of the following is a synthetic abrasive ?
A Corundum
B Emery
C Pumice
D Silicon carbide
Pick up the synthetic resin from the following:
A Urea resin
B Phenolic resin
C Resorcinol resin
D All of these
Which is the most suitable dye for synthetic fibres?
A Acid dye
B Azoic dye
C Pigment dye
D Mordant dye

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