Environmental Engineering The devices which are installed for drawing water from the sources are called Filters Aquiclude Intakes Aquifers Filters Aquiclude Intakes Aquifers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to Total alkalinity Non carbonate hardness Total hardness total alkalinity Total hardness Total alkalinity Non carbonate hardness Total hardness total alkalinity Total hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 10 - 12 days 1 - 2 year 24 - 48 hours 2 - 3 months 10 - 12 days 1 - 2 year 24 - 48 hours 2 - 3 months ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 0.2 to 0.4 2 to 4 0.4 to 1.0 5 to 7 0.2 to 0.4 2 to 4 0.4 to 1.0 5 to 7 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 50 to 60 100 to 150 500 to 600 1400 to 1500 50 to 60 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The polluted water is one which Contains pathogenic bacteria Is contaminated Is safe and suitable for drinking and domestic use Consists of undesirable substances rendering it unfit for drinking and domestic use Contains pathogenic bacteria Is contaminated Is safe and suitable for drinking and domestic use Consists of undesirable substances rendering it unfit for drinking and domestic use ANSWER DOWNLOAD EXAMIANS APP
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