Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Chloramines Carbon dioxide Bleaching powder Sulphur dioxide Chloramines Carbon dioxide Bleaching powder Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Floating solids and dissolved inorganic solids Bacteria and colloidal solids Dissolved organic substances Dissolved solids and dissolved gases Floating solids and dissolved inorganic solids Bacteria and colloidal solids Dissolved organic substances Dissolved solids and dissolved gases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Select the correct relationship between porosity (N), specific yield (y) and specific retention (R) R = N + y N = y + R y = N + R R > (N + y) R = N + y N = y + R y = N + R R > (N + y) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effective size of sand particles used in slow sand filters is 0.35 to 0.60 mm 0.60 to 1.00 mm 1.00 to 1.80 mm 0.25 to 0.35 mm 0.35 to 0.60 mm 0.60 to 1.00 mm 1.00 to 1.80 mm 0.25 to 0.35 mm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer Is easy to construct Is economical than circular section Provides self cleansing velocity at low discharges Is more stable than circular section Is easy to construct Is economical than circular section Provides self cleansing velocity at low discharges Is more stable than circular section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Assertion A: Slow sand filters are more efficient in removal of bacteria than rapid sand filters.Reason R: The sand used in slow sand filters is finer than that in rapid sand filtersSelect your answer based on the coding system given below: A is true but R is false A is false but R is true Both A and R is true but R is not the correct explanation of A Both A and R is true and R is the correct explanation of A A is true but R is false A is false but R is true Both A and R is true but R is not the correct explanation of A Both A and R is true and R is the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
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