Environmental Engineering The most commonly used sewer under culverts is Semi-elliptical sewer Circular cast iron sewer Horseshoe type sewer Circular brick sewer Semi-elliptical sewer Circular cast iron sewer Horseshoe type sewer Circular brick sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of oxidation pond is that Large area is required for construction None of these Maintenance and operation cost are high BOD removal is very low Large area is required for construction None of these Maintenance and operation cost are high BOD removal is very low ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of cement concrete sewers is Less life Difficulty in construction Less strength Difficulty in transportation due to heavy weight Less life Difficulty in construction Less strength Difficulty in transportation due to heavy weight ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve, which is provided on the suction pipe in a tube-well, is Pressure relief valve Reflux valve Sluice valve Air relief valve Pressure relief valve Reflux valve Sluice valve Air relief valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from None of these Both suspended and dissolved impurities Dissolved impurities Suspended impurities None of these Both suspended and dissolved impurities Dissolved impurities Suspended impurities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Select the correct relationship between porosity (N), specific yield (y) and specific retention (R) y = N + R R = N + y R > (N + y) N = y + R y = N + R R = N + y R > (N + y) N = y + R ANSWER DOWNLOAD EXAMIANS APP
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