Chemical Process Use of chlorine in the treatment of sewage Aids in flocculation Helps in grease separation Causes bulking of activated sludge Increases the biological oxygen demand(BOD) Aids in flocculation Helps in grease separation Causes bulking of activated sludge Increases the biological oxygen demand(BOD) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Refractory bricks burnt at very high temperature have got None of these High spalling tendency Greater resistance to corrosion by slags Less resistance to corrosion by slags None of these High spalling tendency Greater resistance to corrosion by slags Less resistance to corrosion by slags ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Frasch process is for Producing helium Mining sulphur Making nitrogen Making oxygen Producing helium Mining sulphur Making nitrogen Making oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dacron (or terylene) fibres as compared to nylon's fibres have Better heat & acid resistant properties Poorer dyeability All of these Poorer resistance to alkalis Better heat & acid resistant properties Poorer dyeability All of these Poorer resistance to alkalis ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Percentage of uranium in carnotite ore found in Jadugoda (Jharkhand) is about 0.1 to 0.5 15 to 25 5 to 10 1 to 5 0.1 to 0.5 15 to 25 5 to 10 1 to 5 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) Merely compressing the gas beyond its critical pressure Adiabatic expansion against a piston or in a turbine Exchange of heat with colder stream Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Merely compressing the gas beyond its critical pressure Adiabatic expansion against a piston or in a turbine ANSWER DOWNLOAD EXAMIANS APP
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