Environmental Engineering The main disadvantage of cement concrete sewers is Less life Difficulty in transportation due to heavy weight Less strength Difficulty in construction Less life Difficulty in transportation due to heavy weight Less strength Difficulty in construction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The specific gravity of sewage is Much greater than 1 Slightly less than 1 Slightly greater than 1 Equal to 1 Much greater than 1 Slightly less than 1 Slightly greater than 1 Equal to 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The means of access for inspection and cleaning of sewer line is known as Drop manhole Catch basin Manhole Inlet Drop manhole Catch basin Manhole Inlet ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period in coagulation tanks is usually kept as 2 to 6 days 2 to 6 hours 30 to 45 minutes 1 to 2 minutes 2 to 6 days 2 to 6 hours 30 to 45 minutes 1 to 2 minutes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The dissolved oxygen level in natural unpolluted waters at normal temperature is found to be of the order of 1 mg/liter 10 mg/liter 100 mg/liter 1000 mg/liter 1 mg/liter 10 mg/liter 100 mg/liter 1000 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The characteristics of fresh and septic sewage respectively are Both acidic Acidic and alkaline Alkaline and acidic Both alkaline Both acidic Acidic and alkaline Alkaline and acidic Both alkaline ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS