In water treatment plant, zeolite process is used to remove the _____________ of water?

Related Mcqs:

1. The function of skimming tank in sewage treatment is to remove _____________ substances?

   A. Dissolved solid B. Suspended solid C. Oil & fatty D. Gritty & inorganic...

2. During sewage treatment, the sewage is subjected to ______________ treatment in Imhoff tank?

   A. Filtration B. Digestion C. Sedimentation D. Both B. and C....

3. Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by_________________?

   A. Quenching of hot coke B. Discharging in the river stream C. Filtration and recycling for cooling coke oven gas D. None of these...

4. Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by_______________?

   A. Chlorination B. Treating in biological oxygen pond C. Chemical coagulation D. None of these...

5. The amount of chemical coagulant added for treatment of polluted water ______________ with increase in temperature of the polluted water to be treated?

   A. Decreases B. Increases C. Remain constant D. May increase or decrease; depends on the chemical characteristics of polluted water...

6. In water treatment, alum [Al2(SO4)3] is used for the process of __________________?

   A. Filtration B. Coagulation C. Sedimentation D. Disinfection...

7. Disinfection of water is done to remove ______________________?

   A. Color B. Bad taste C. Foul odour D. Bacteria...

8. Biological oxidation ponds remove organic matters present in the polluted water by _______________?

   A. Using the activities of bacteria and other micro organisms B. Aerobic oxidation C. Both A. & B. D. Neither A. nor B....

9. Which of the following is the most widely used disinfectant in water treatment ?

   A. Chlorine B. Irradiation of water by ultraviolet light C. Cation exchanger D. Coagulation...

10. The most commonly used chemical coagulant in water treatment is________________?

    A. Ferrous sulphate B. Alum C. Lime D. Hydrazine...