Environmental Engineering The detention period for oxidation ponds is usually kept as 24 hours 10 to 15 days 48 hours 3 months 24 hours 10 to 15 days 48 hours 3 months ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of BOD exerted at any time is Directly proportional to BOD satisfied Inversely proportional to BOD remaining Inversely proportional to BOD satisfied Directly proportional to BOD remaining Directly proportional to BOD satisfied Inversely proportional to BOD remaining Inversely proportional to BOD satisfied Directly proportional to BOD remaining ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most commonly used sewer under culverts is Circular cast iron sewer Semi-elliptical sewer Circular brick sewer Horseshoe type sewer Circular cast iron sewer Semi-elliptical sewer Circular brick sewer Horseshoe type sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of cement concrete sewers is Less strength Difficulty in construction Difficulty in transportation due to heavy weight Less life Less strength Difficulty in construction Difficulty in transportation due to heavy weight Less life ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Chlorine demand of water is equal to Sum of applied and residual chlorine Difference of applied and residual chlorine Applied chlorine Residual chlorine Sum of applied and residual chlorine Difference of applied and residual chlorine Applied chlorine Residual chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are normally designed for 5 - 10 years 15 - 28 years 28 - 30 years 15 - 20 years 5 - 10 years 15 - 28 years 28 - 30 years 15 - 20 years ANSWER DOWNLOAD EXAMIANS APP
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