Environmental Engineering Laying of sewers is usually done with the help of A Theodolite A plane table A compass Sight rails and boning rods A Theodolite A plane table A compass Sight rails and boning rods ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following compounds is widely used for algae control? Copper sulphate Sodium chloride Calcium chloride Sodium sulphate Copper sulphate Sodium chloride Calcium chloride Sodium sulphate 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 Scour valve Sluice valve Check valve Safety valve Scour valve Sluice valve Check valve Safety valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be 40 mm/hr 10 mm/hr 20 mm/hr 4 mm/hr 40 mm/hr 10 mm/hr 20 mm/hr 4 mm/hr ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Does not require alkalinity in water for flocculation Does not affect pH value of water Increases pH value of water Decreases pH value of water Does not require alkalinity in water for flocculation Does not affect pH value of water Increases pH value of water Decreases pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection efficiency is Highest at pH value equal to 7 Unaffected by pH value of water Reduced at higher pH value of water Increased at higher pH value of water Highest at pH value equal to 7 Unaffected by pH value of water Reduced at higher pH value of water Increased at higher pH value of water ANSWER DOWNLOAD EXAMIANS APP
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