Environmental Engineering A sewer that receives the discharge of a number of house sewers is called Sub-main sewer Intercepting sewer Lateral sewer House sewer Sub-main sewer Intercepting sewer Lateral sewer House sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be 20 mm/hr 10 mm/hr 4 mm/hr 40 mm/hr 20 mm/hr 10 mm/hr 4 mm/hr 40 mm/hr ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is Larger None of these Smaller Same Larger None of these Smaller Same ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pathogens can be killed by Nitrification None of these Chlorination Oxidation Nitrification None of these Chlorination Oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period for oxidation ponds is usually kept as 48 hours 3 months 10 to 15 days 24 hours 48 hours 3 months 10 to 15 days 24 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 5 to 7 0.2 to 0.4 2 to 4 0.4 to 1.0 5 to 7 0.2 to 0.4 2 to 4 0.4 to 1.0 ANSWER DOWNLOAD EXAMIANS APP
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