Environmental Engineering If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to Total hardness total alkalinity Non carbonate hardness Total hardness Total alkalinity Total hardness total alkalinity Non carbonate hardness Total hardness Total alkalinity 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 100 mg/liter 10 mg/liter 1000 mg/liter 1 mg/liter 100 mg/liter 10 mg/liter 1000 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alkalinity in water is expressed as milligrams per litre in terms of equivalent Magnesium carbonate Calcium carbonate Sodium carbonate Calcium hydroxide Magnesium carbonate Calcium carbonate Sodium carbonate Calcium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of BOD exerted at any time is Directly proportional to BOD satisfied Inversely proportional to BOD satisfied Directly proportional to BOD remaining Inversely proportional to BOD remaining Directly proportional to BOD satisfied Inversely proportional to BOD satisfied Directly proportional to BOD remaining Inversely proportional to BOD remaining ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is designed for Maximum flow only Average flow only Maximum and minimum flow Minimum flow only Maximum flow only Average flow only Maximum and minimum flow Minimum flow only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank increases if None of these The surface area of tank is increased The depth of tank is decreased Particle size is decreased None of these The surface area of tank is increased The depth of tank is decreased Particle size is decreased ANSWER DOWNLOAD EXAMIANS APP
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