Related Questions

The rate controlling step in the manufacture of silicone rubber is the
A Polymer termination step
B Condensation of siloxane to silicone
C Initial hydrolysis of silicone monomer
D None of these
Silicone resins, which are highly water repellant and has good heat resistance can not be used
A As room temperature adhesive
B As grease & lubricant
C Hydraulic fluid for heat transfer
D Resin for lamination
Silicone is a polymer of
A Tetraalkyl silane
B Silicon tetrachloride
C Dialkyl dichloro silane
D Silane
Silicone is a/an
A Thermoplastic
B Inorganic polymer
C Monomer
D None of these
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
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
Which of the following is not used as a filter medium in case of corrosive liquids?
A Nylon
B Glass cloth
C Metal cloth of monel or stainless steel
D Cotton fabric
Rubber lined vessels are corroded by the action of
A Aqua regia
B Chloroform
C Sulphuric acid (95%)
D All of the above
Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property?
A Silicon
B Phosphorus
C Sulphur
D None of these

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