Environmental Engineering The hydraulic mean depth (HMD) for an egg-shaped sewer flowing two-third full is Less than HMD when flowing full None of these Greater than HMD when flowing full Equal to HMD when flowing full Less than HMD when flowing full None of these Greater than HMD when flowing full Equal to HMD when flowing full ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Laying of sewers is usually done with the help of Sight rails and boning rods A plane table A compass A Theodolite Sight rails and boning rods A plane table A compass A Theodolite ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The layout of distribution system in which water flows towards the outer periphery is Ring system Dead end system Grid iron system Radial system Ring system Dead end system Grid iron system Radial system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Cleaning is done by (i) Scraping and removal in filters slow sand (ii) Back washing in slow sand filters (iii) Scraping and removal in filters rapid sand (iv) Back washing in rapid sand filters The correct answer is (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effective size of sand particles used in slow sand filters is 1.00 to 1.80 mm 0.25 to 0.35 mm 0.60 to 1.00 mm 0.35 to 0.60 mm 1.00 to 1.80 mm 0.25 to 0.35 mm 0.60 to 1.00 mm 0.35 to 0.60 mm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method for disinfection of swimming pool water is Chlorination Ultra violet rays treatment By using potassium permanganate Lime treatment Chlorination Ultra violet rays treatment By using potassium permanganate Lime treatment ANSWER DOWNLOAD EXAMIANS APP
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