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 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
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
The scales form in heat exchanges after a period of operation and provide additional resistance to heat transfer with some heat transfer coefficient . The reciprocal of this scale heat transfer coefficient is called .
A scaling factor
B forming factor
C resisting factor
D fouling factor
Point out which part is grammatically incorrect. 'Good people will make good laws ' 'but good' 'laws passed by a few' 'does not necessarily make' 'a good society' 'No error'
A good people will make good laws
B laws passed by a few
C do not necessarily make
D a good society
Cation exchange resins used in water treatment is made from __________ resin.
A Urea formaldehyde
B Epoxy
C Amino
D Phenolic
In recent survey of the student of a public university . It is found that 65% students are good in Mathematics and 45% students are good in Mathematics and 45% students are good in Statistics. How many students are good in both Mathematics and statistics of the public university?
A 20%
B 5%
C 15%
D 10%
Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the
A Surrounding temperature
B Average temperature of the fin
C Temperature of the fin end
D Constant temperature equal to that of the base
Amino resins are used in paper treatment to improve its
A Wet tear and bursting strength
B Folding endurance
C Wet rub resistance
D All of the above

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