Environmental Engineering Select the correct relationship between porosity (N), specific yield (y) and specific retention (R) R > (N + y) y = N + R R = N + y N = y + R R > (N + y) y = N + R R = N + y N = y + R ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alkalinity in water is expressed as milligrams per litre in terms of equivalent Sodium carbonate Calcium carbonate Calcium hydroxide Magnesium carbonate Sodium carbonate Calcium carbonate Calcium hydroxide Magnesium carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of BOD exerted at any time is Inversely proportional to BOD satisfied Directly proportional to BOD satisfied Inversely proportional to BOD remaining Directly proportional to BOD remaining Inversely proportional to BOD satisfied Directly proportional to BOD satisfied Inversely proportional to BOD remaining Directly proportional to BOD remaining ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hourly variation factor is usually taken as 1.5 2.7 1.8 2.0 1.5 2.7 1.8 2.0 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank depends on Both depth and surface area of tank Depth of tank Surface area of tank None of these Both depth and surface area of tank Depth of tank Surface area of tank None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow does not depend on Length of sewer Roughness of sewer Grade of sewer Hydraulic mean depth of sewer Length of sewer Roughness of sewer Grade of sewer Hydraulic mean depth of sewer ANSWER DOWNLOAD EXAMIANS APP
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