Environmental Engineering A sewer that receives the discharge of a number of house sewers is called Lateral sewer House sewer Sub-main sewer Intercepting sewer Lateral sewer House sewer Sub-main sewer Intercepting sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of coagulant needed for coagulation of water increases with (i) Increase in turbidity of water (ii) Decrease in turbidity of water (iii) Increase in temperature of water (iv) Decrease in temperature of water The correct answer is (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (ii) (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of filtration in slow sand filters in million litres per day per hectare is about 500 to 600 1400 to 1500 100 to 150 50 to 60 500 to 600 1400 to 1500 100 to 150 50 to 60 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Does not affect pH value of water Does not require alkalinity in water for flocculation Increases pH value of water Decreases pH value of water Does not affect pH value of water Does not require alkalinity in water for flocculation Increases pH value of water Decreases pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Sulphur dioxide Bleaching powder Chloramines Carbon dioxide Sulphur dioxide Bleaching powder Chloramines Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The means of access for inspection and cleaning of sewer line is known as Catch basin Drop manhole Manhole Inlet Catch basin Drop manhole Manhole Inlet ANSWER DOWNLOAD EXAMIANS APP
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