Related Questions

Silicone rubber is not resistant to the corrosive action of
A Sulphuric acid (10%)
B Sulphuric acid (95%)
C Ether
D Both B and C
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
If 15 men working independently and at the same rate can manufacture 27 baskets in an hour, how many baskets would 45 men working independently and at the same rate manufacture in 40 minutes?
A 27
B 35
C 40
D 54
If 15 men working at the same rate can manufacture 27 baskets in an hour, how many baskets would 45 men manufacture in 40 minutes?
A 27
B 54
C 35
D 40
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
If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion.
A Film
B Ash layer
C Pore
D None of these

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