Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 40 ppm 1 ppm 4 ppm 10 ppm 40 ppm 1 ppm 4 ppm 10 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most commonly used sewer under culverts is Semi-elliptical sewer Circular brick sewer Circular cast iron sewer Horseshoe type sewer Semi-elliptical sewer Circular brick sewer Circular cast iron sewer Horseshoe type sewer 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 1 mg/liter 100 mg/liter 1000 mg/liter 10 mg/liter 1 mg/liter 100 mg/liter 1000 mg/liter 10 mg/liter 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 Alkalinity in water is expressed as milligrams per litre in terms of equivalent Magnesium carbonate Calcium hydroxide Sodium carbonate Calcium carbonate Magnesium carbonate Calcium hydroxide Sodium carbonate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable layout of a distribution system for irregularly growing town is Dead end system Radial system Grid iron system Ring system Dead end system Radial system Grid iron system Ring system ANSWER DOWNLOAD EXAMIANS APP
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