Environmental Engineering Air binding phenomena in rapid sand filters occur due to Mud ball formation Excessive negative head Higher turbidity in the effluent Low temperature Mud ball formation Excessive negative head Higher turbidity in the effluent Low temperature 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 (iii) (ii) and (iv) (i)and(iv) (i) and (ii) (ii) and (iii) (ii) and (iv) (i)and(iv) (i) and (ii) 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 Hardy cross method Circle method Equivalent pipe method Electrical analysis method Hardy cross method Circle method Equivalent pipe method Electrical analysis method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 1000 liters/sec 5 liters/sec 500 liters/sec 50 liters/sec 1000 liters/sec 5 liters/sec 500 liters/sec 50 liters/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The working conditions in imhoff tanks are Aerobic in lower compartment and anaerobic in upper compartment Anaerobic only anaerobic in lower compartment and aerobic in upper compartment Aerobic only Aerobic in lower compartment and anaerobic in upper compartment Anaerobic only anaerobic in lower compartment and aerobic in upper compartment Aerobic only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The treatment of water with bleaching powder is known as Super chlorination Hypo-chlorination Pre-chlorination De-chlorination Super chlorination Hypo-chlorination Pre-chlorination De-chlorination ANSWER DOWNLOAD EXAMIANS APP
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