Environmental Engineering Air binding phenomena in rapid sand filters occur due to Excessive negative head Mud ball formation Low temperature Higher turbidity in the effluent Excessive negative head Mud ball formation Low temperature Higher turbidity in the effluent ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Facultative bacteria are able to work in Presence of oxygen only Presence of water Absence of oxygen only Presence as well as in absence of oxygen Presence of oxygen only Presence of water Absence of oxygen only Presence as well as in absence of oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The polluted water is one which 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 Contains pathogenic bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Generally the detention period for grit chambers is kept as 24 hours 5 minutes 12 hours 1 minute 24 hours 5 minutes 12 hours 1 minute ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The dissolved oxygen level in natural unpolluted waters at normal temperature is found to be of the order of 10 mg/liter 1000 mg/liter 100 mg/liter 1 mg/liter 10 mg/liter 1000 mg/liter 100 mg/liter 1 mg/liter 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 Electrical analysis method Hardy cross method Equivalent pipe method Circle method Electrical analysis method Hardy cross method Equivalent pipe method Circle method ANSWER DOWNLOAD EXAMIANS APP
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