Environmental Engineering Laying of sewers is usually done with the help of Sight rails and boning rods A compass A plane table A Theodolite Sight rails and boning rods A compass A plane table A Theodolite ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The layout of distribution system in which water flows towards the outer periphery is Grid iron system Ring system Dead end system Radial system Grid iron system Ring system Dead end system Radial system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 20 ppm 50 ppm 10 ppm 30 ppm 20 ppm 50 ppm 10 ppm 30 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 0.5 to 1.0 ppm 1.0 to 5.0 ppm 0.05 to 0.5 ppm 0.01 to 0.05 ppm 0.5 to 1.0 ppm 1.0 to 5.0 ppm 0.05 to 0.5 ppm 0.01 to 0.05 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Activated carbon is used for Removing corrosiveness Disinfection Removing odours Removing hardness Removing corrosiveness Disinfection Removing odours Removing hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Does not affect pH value of water Increases pH value of water Does not require alkalinity in water for flocculation Decreases pH value of water Does not affect pH value of water Increases pH value of water Does not require alkalinity in water for flocculation Decreases pH value of water ANSWER DOWNLOAD EXAMIANS APP
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