Environmental Engineering The characteristics of fresh and septic sewage respectively are Alkaline and acidic Both acidic Acidic and alkaline Both alkaline Alkaline and acidic Both acidic Acidic and alkaline Both alkaline ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Turbidity is measured on Standard platinum scale Standard silica scale Standard cobalt scale Platinum cobalt scale Standard platinum scale Standard silica scale Standard cobalt scale Platinum cobalt scale ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is Check valve Safety valve Scour valve Sluice valve Check valve Safety valve Scour valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 1.0 to 5.0 ppm 0.05 to 0.5 ppm 0.5 to 1.0 ppm 0.01 to 0.05 ppm 1.0 to 5.0 ppm 0.05 to 0.5 ppm 0.5 to 1.0 ppm 0.01 to 0.05 ppm 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 100 mg/liter 1000 mg/liter 1 mg/liter 10 mg/liter 100 mg/liter 1000 mg/liter 1 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Dissolved oxygen in streams is Same throughout the day Maximum at noon Maximum at midnight Minimum at noon Same throughout the day Maximum at noon Maximum at midnight Minimum at noon ANSWER DOWNLOAD EXAMIANS APP
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