Chemical Process Nitrile rubber is produced by the polymerisation of None of these Acrylonitrile and butadiene Isobutylene and isoprene Acrylonitrile and styrene None of these Acrylonitrile and butadiene Isobutylene and isoprene Acrylonitrile and styrene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Plasticisers are added to paints to Give elasticity & prevent cracking of the film Make it corrosion resistant Increase atmospheric oxidation Make glossy surface Give elasticity & prevent cracking of the film Make it corrosion resistant Increase atmospheric oxidation Make glossy surface ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is the second major component of cement? SiO₂ Fe₂O₃ Al₂O₃ CaO SiO₂ Fe₂O₃ Al₂O₃ CaO ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Linde process of gas liquefaction employs Exchange of heat with colder stream Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Adiabatic expansion against a piston or in a turbine Merely compressing the gas beyond its critical pressure Exchange of heat with colder stream Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Adiabatic expansion against a piston or in a turbine Merely compressing the gas beyond its critical pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 8500 4000 800 1600 8500 4000 800 1600 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Removal of dirt/soil by soaps or detergent does not involve the __________ of soil. Precipitation Wetting Emulsification Dispersion Precipitation Wetting Emulsification Dispersion ANSWER DOWNLOAD EXAMIANS APP
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