Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 10 ppm 1 ppm 40 ppm 4 ppm 10 ppm 1 ppm 40 ppm 4 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Corrosion in concrete sewers is caused by Septic conditions Nitrogen Chlorine Dissolved oxygen Septic conditions Nitrogen Chlorine Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 1 - 2 year 10 - 12 days 2 - 3 months 24 - 48 hours 1 - 2 year 10 - 12 days 2 - 3 months 24 - 48 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The polluted water is one which Contains pathogenic bacteria Is safe and suitable for drinking and domestic use Consists of undesirable substances rendering it unfit for drinking and domestic use Is contaminated Contains pathogenic bacteria Is safe and suitable for drinking and domestic use Consists of undesirable substances rendering it unfit for drinking and domestic use Is contaminated ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The method of analysis of distribution system in which the domestic supply is neglected and fire demand is considered is Equivalent pipe method Hardy cross method Electrical analysis method Circle method Equivalent pipe method Hardy cross method Electrical analysis method Circle method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process in which the chlorination is done beyond the break point is known as Post chlorination Pre-chlorination Break point chlorination Super chlorination Post chlorination Pre-chlorination Break point chlorination Super chlorination ANSWER DOWNLOAD EXAMIANS APP
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