Chemical Process Liquefaction of gases can not be done by 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 it beyond 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 it beyond critical pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sodium bisulphite is used for __________ water. Dechlorination Both A & B Neither A nor B Deaeration Dechlorination Both A & B Neither A nor B Deaeration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The catalyst used in the manufacture of DDT is 20% oleum Silica Aluminium chloride Alumina 20% oleum Silica Aluminium chloride Alumina ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sea water contains about __________ ppm of bromine. 1700 500 5 70 1700 500 5 70 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Potassium is kept & transported under Alcohol Liquid ammonia Water Kerosene oil Alcohol Liquid ammonia Water Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not a raw material used for the manufacture of ordinary glass? Limestone Iron oxide Soda ash Silica Limestone Iron oxide Soda ash Silica ANSWER DOWNLOAD EXAMIANS APP