Chemical Process Presence of H₂S in raw water (to be chlorinated) results in the None of these Increased dosage of chlorine to provide a disinfecting residual in the water Easy removal of its hardness Reduced softening capacity of zeolite None of these Increased dosage of chlorine to provide a disinfecting residual in the water Easy removal of its hardness Reduced softening capacity of zeolite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid. Maleic anhydride Vinyl chloride Phthalic anhydride Dacron Maleic anhydride Vinyl chloride Phthalic anhydride Dacron ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located at Trombay (India) SASOL (in South Africa) Redcar (U.K.) Los-Angles (U.S.A.) Trombay (India) SASOL (in South Africa) Redcar (U.K.) Los-Angles (U.S.A.) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Linde process of gas liquefaction employs 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 Exchange of heat with colder stream ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High temperature carbonisation of coal takes place at __________ °C. 1100 2000 < 500 700 1100 2000 < 500 700 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not an abrasive material ? Bakelite Corundum Carborundum Pumice Bakelite Corundum Carborundum Pumice ANSWER DOWNLOAD EXAMIANS APP