Environmental Engineering Sewerage system is usually designed for 25 years 28 years 26 years 27 years 25 years 28 years 26 years 27 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following causes a decrease in per capita consumption? Good quality of water Use of metering system Hotter climate Better standard of living of the people Good quality of water Use of metering system Hotter climate Better standard of living of the people ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe which is installed in the house drainage to preserve the water seal of traps is called Vent pipe Anti-siphonage pipe Waste pipe Soil pipe Vent pipe Anti-siphonage pipe Waste pipe Soil pipe ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to rapid sand filters, slow sand filters give (i) Slower filtration rate (ii) Higher filtration rate (iii) Lesser efficiency in removal of bacteria (iv) Higher efficiency in removal of bacteria The correct answer is (ii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 2 to 4 0.4 to 1.0 0.2 to 0.4 5 to 7 2 to 4 0.4 to 1.0 0.2 to 0.4 5 to 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank increases if None of these Particle size is decreased The surface area of tank is increased The depth of tank is decreased None of these Particle size is decreased The surface area of tank is increased The depth of tank is decreased ANSWER DOWNLOAD EXAMIANS APP
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