Chemical Process Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to Reduce its viscosity Increase its viscosity Reduce the variation in its viscosity with temperature Increase the variation in its viscosity with temperature Reduce its viscosity Increase its viscosity Reduce the variation in its viscosity with temperature Increase the variation in its viscosity with temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a coagulant in treating turbid water? Ferric sulphate Activated carbon Chlorine Calcium sulphate Ferric sulphate Activated carbon Chlorine Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant. Soda lime Lead High silica Pyrex Soda lime Lead High silica Pyrex ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sudden temperature fluctuation does not affect pyrex glass, because of its High melting point High co-efficient of expansion Both B and C Low co-efficient of expansion High melting point High co-efficient of expansion Both B and C Low co-efficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Saponification number of an oil or fat Detects its adulteration Gives an idea about its molecular weight All of these Is inversely proportional to its molecular weight Detects its adulteration Gives an idea about its molecular weight All of these Is inversely proportional to its molecular weight ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Yellow phosphorus is transported under Air Helium Nitrogen Water Air Helium Nitrogen Water ANSWER DOWNLOAD EXAMIANS APP
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