Waste Water Engineering Sewer ventilating columns are generally placed at All listed here Every change in the size of sewers Distances 150 m to 300 m Upper ends of branch sewers All listed here Every change in the size of sewers Distances 150 m to 300 m Upper ends of branch sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains Oxygen Carbon dioxide Methane Hydrogen sulphide Oxygen Carbon dioxide Methane Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following gases is most significant as air pollutant? Oxygen Carbondioxide Nitrogen Sulphur-dioxide Oxygen Carbondioxide Nitrogen Sulphur-dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Pick up the incorrect statement from the following for allowing workers to enter sewers Proper tests for the presence of poisonous gases must be carried out The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes The men entering the manhole should be advised to smoke in the sewer Warning signals should be erected Proper tests for the presence of poisonous gases must be carried out The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes The men entering the manhole should be advised to smoke in the sewer Warning signals should be erected ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The underground sewers are more subjected to Bending force Tensile force Shearing force Compressive force Bending force Tensile force Shearing force Compressive force ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the effect of scouring is more on All sides Bottom side Horizontal side Top side All sides Bottom side Horizontal side Top side ANSWER DOWNLOAD EXAMIANS APP
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