Hamad Water Supply Engineering 14/04/2021 A. nil B. 5 C. 10 D. 15 E. 20 Related Mcqs: Disinfection of drinking water, is done to remove_________________?A. odour B. bacterias C. turbidity D. colour... The yield of a rapid gravity filter as compared to that of slow sand filter, is__________________?A. 10 times B. 15 times C. 20 times D. 30 times E. 35 times... Average annual rainfall at any station is the average of annual rainfall over a period of________________?A. 7 years B. 14 years C. 21 years D. 28 years E. 35 years... In distribution pipes, drain valves are provided at_______________?A. lower point B. higher point C. junction points D. any where... Asbestos pipes are ______________?A. light in weight and easy to transport B. highly resistant to corrosion C. high flexible to accommodate deflection upto 12° D. very much smooth and hydraulically efficient E. all the above...
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