Chemical Process Use of chlorine in the treatment of sewage 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) Aids in flocculation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Liquefaction of gases can not be done by Exchange of heat with colder stream Merely compressing it beyond critical pressure Adiabatic expansion against a piston or in a turbine Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Exchange of heat with colder stream Merely compressing it beyond critical pressure Adiabatic expansion against a piston or in a turbine Adiabatic expansion through a throttle valve (Joule-Thomson expansion) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Systemic insecticides Are absorbed throughout the plant Kill insects following external bodily contact Emit poisonous vapour Are stomach poisons Are absorbed throughout the plant Kill insects following external bodily contact Emit poisonous vapour Are stomach poisons ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale. Nickel Iron Alumina Vanadium Nickel Iron Alumina Vanadium ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ of quicklime produces slaked lime. None of these Hydrogenation Dehydration Hydration None of these Hydrogenation Dehydration Hydration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the Lurgi coal gasifier Large quantity of coal can be processed Coking coals cannot be used Entrainment of solids is higher Low carbon conversion efficiency is achieved Large quantity of coal can be processed Coking coals cannot be used Entrainment of solids is higher Low carbon conversion efficiency is achieved ANSWER DOWNLOAD EXAMIANS APP
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