Chemical Process Very fine suspended and colloidal impurities are removed from water by a process called Coagulation Softening Disinfection Sedimentation Coagulation Softening Disinfection Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chloramines are used in water treatment for Removing turbidity Control of bacteria Disinfection and control of taste & odour Corrosion control Removing turbidity Control of bacteria Disinfection and control of taste & odour Corrosion control ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 1600 800 4000 8500 1600 800 4000 8500 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main use of liquid nitrogen is in Refrigerative cooling Detergent manufacture Rocket propulsion Making gun powder Refrigerative cooling Detergent manufacture Rocket propulsion Making gun powder ANSWER DOWNLOAD EXAMIANS APP
Chemical Process 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C. 44134 500-600 250-280 44134 500-600 250-280 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst All of these Gives higher conversion efficiency Has a longer life and is not poisoned by arsenic Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant All of these Gives higher conversion efficiency Has a longer life and is not poisoned by arsenic Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant ANSWER DOWNLOAD EXAMIANS APP