Environmental Engineering The maximum permissible limit for fluoride in drinking water is 10 mg/liter 0.1 mg/liter 5 mg/liter 1.5 mg/liter 10 mg/liter 0.1 mg/liter 5 mg/liter 1.5 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is 1 Infinite 100 Zero 1 Infinite 100 Zero ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following compounds is widely used for algae control? Sodium chloride Calcium chloride Copper sulphate Sodium sulphate Sodium chloride Calcium chloride Copper sulphate Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The slope of sewer shall be Steeper than 1 in 20 Zero Given in the direction opposite to natural slope of ground Given in the direction of natural slope of ground Steeper than 1 in 20 Zero Given in the direction opposite to natural slope of ground Given in the direction of natural slope of ground ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A sewer that receives the discharge of a number of house sewers is called Intercepting sewer Lateral sewer Sub-main sewer House sewer Intercepting sewer Lateral sewer Sub-main sewer House sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to rapid sand filters, slow sand filters give (i) Slower filtration rate (ii) Higher filtration rate (iii) Lesser efficiency in removal of bacteria (iv) Higher efficiency in removal of bacteria The correct answer is (i) and (ii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
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