Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 4 to 6 8 to 10 6 to 8 2 to 4 4 to 6 8 to 10 6 to 8 2 to 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Most suitable section of sewer in separate sewage system is Standard form of egg shaped sewer Modified egg shaped section Rectangular section Circular section Standard form of egg shaped sewer Modified egg shaped section Rectangular section Circular section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Residual chlorine in water is determined by Both (A) and (B) None of these Orthotolidine method Starch iodide method Both (A) and (B) None of these Orthotolidine method Starch iodide method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 500 liters/sec 1000 liters/sec 5 liters/sec 50 liters/sec 500 liters/sec 1000 liters/sec 5 liters/sec 50 liters/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The biochemical treatment of sewage effluents is essentially a process of Reduction Alkalinization Dehydration Oxidation Reduction Alkalinization Dehydration Oxidation 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 4 mm/hr 40 mm/hr 20 mm/hr 10 mm/hr 4 mm/hr 40 mm/hr 20 mm/hr 10 mm/hr ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS