Environmental Engineering The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is Pressure relief valve Air relief valve Reflux valve Sluice valve Pressure relief valve Air relief valve Reflux valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by Increasing the depth of tank Decreasing the depth of tank Increasing the surface area of tank Decreasing the surface area of tank Increasing the depth of tank Decreasing the depth of tank Increasing the surface area of tank Decreasing the surface area of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Facultative bacteria are able to work in Absence of oxygen only Presence of water Presence of oxygen only Presence as well as in absence of oxygen Absence of oxygen only Presence of water Presence of oxygen only Presence as well as in absence of oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alkalinity in water is expressed as milligrams per litre in terms of equivalent Sodium carbonate Calcium hydroxide Magnesium carbonate Calcium carbonate Sodium carbonate Calcium hydroxide Magnesium carbonate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are designed for Maximum flow only Average flow only Minimum flow only Maximum and minimum flow Maximum flow only Average flow only Minimum flow only Maximum and minimum flow ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following values of pH represents a stronger acid? 2 5 3 4 2 5 3 4 ANSWER DOWNLOAD EXAMIANS APP
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