Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Carbon dioxide Sulphur dioxide Chloramines Bleaching powder Carbon dioxide Sulphur dioxide Chloramines Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally Less and less More and less Less and more More and more Less and less More and less Less and more More and more ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum and maximum diameters of sewers shall preferably be 15 cm and 300 cm 60 cm and 300 cm 15 cm and 100 cm 30 cm and 450 cm 15 cm and 300 cm 60 cm and 300 cm 15 cm and 100 cm 30 cm and 450 cm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alkalinity in water is expressed as milligrams per litre in terms of equivalent Sodium carbonate Magnesium carbonate Calcium hydroxide Calcium carbonate Sodium carbonate Magnesium carbonate Calcium hydroxide Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period for oxidation ponds is usually kept as 48 hours 3 months 24 hours 10 to 15 days 48 hours 3 months 24 hours 10 to 15 days 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: Both A and R is true but R is not the correct explanation of A A is true but R is false Both A and R is true and R is the correct explanation of A A is false but R is true Both A and R is true but R is not the correct explanation of A A is true but R is false Both A and R is true and R is the correct explanation of A A is false but R is true ANSWER DOWNLOAD EXAMIANS APP
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