Environmental Engineering As compared to cast iron pipes, steel pipes are Less susceptible to corrosion Costlier Stronger Heavier Less susceptible to corrosion Costlier Stronger Heavier ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hourly variation factor is usually taken as 1.5 2.0 1.8 2.7 1.5 2.0 1.8 2.7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following causes a decrease in per capita consumption? Better standard of living of the people Use of metering system Good quality of water Hotter climate Better standard of living of the people Use of metering system Good quality of water Hotter climate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In a BOD test, 1.0 ml of raw sewage was diluted to 100 ml and the dissolved oxygen concentration of diluted sample at the beginning was 6 ppm and it was 4 ppm at the end of 5 day incubation at 20°C. The BOD of raw sewage will be 200 ppm 300 ppm 100 ppm 400 ppm 200 ppm 300 ppm 100 ppm 400 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Facultative bacteria are able to work in Presence of water Presence of oxygen only Absence of oxygen only Presence as well as in absence of oxygen Presence of water Presence of oxygen only Absence of oxygen only Presence as well as in absence of oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Decreases pH value of water Does not affect pH value of water Does not require alkalinity in water for flocculation Increases pH value of water Decreases pH value of water Does not affect pH value of water Does not require alkalinity in water for flocculation Increases pH value of water ANSWER DOWNLOAD EXAMIANS APP
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