Environmental Engineering Turbidity is measured on Standard silica scale Standard platinum scale Standard cobalt scale Platinum cobalt scale Standard silica scale Standard platinum scale Standard cobalt scale Platinum cobalt scale ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alkalinity in water is expressed as milligrams per litre in terms of equivalent Sodium carbonate Calcium carbonate Magnesium carbonate Calcium hydroxide Sodium carbonate Calcium carbonate Magnesium carbonate Calcium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 10 - 12 days 2 - 3 months 1 - 2 year 24 - 48 hours 10 - 12 days 2 - 3 months 1 - 2 year 24 - 48 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 5 liters/sec 1000 liters/sec 50 liters/sec 500 liters/sec 5 liters/sec 1000 liters/sec 50 liters/sec 500 liters/sec 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 (ii) and (iv) (i)and(iv) (i) and (ii) (ii) and (iii) (ii) and (iv) (i)and(iv) (i) and (ii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The self cleansing velocity for all sewers in India is usually Less than 1.0 m/sec 1.0 m/sec to 1.2 m/sec 1.5 m/sec to 2.0 m/sec 3.0 m/sec to 3.5 m/sec Less than 1.0 m/sec 1.0 m/sec to 1.2 m/sec 1.5 m/sec to 2.0 m/sec 3.0 m/sec to 3.5 m/sec ANSWER DOWNLOAD EXAMIANS APP