Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Cast iron Reinforced cement concrete Copper Steel Cast iron Reinforced cement concrete Copper Steel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is Sluice valve Air relief valve Pressure relief valve Reflux valve Sluice valve Air relief valve Pressure relief valve Reflux valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is usually designed for 25 years 26 years 27 years 28 years 25 years 26 years 27 years 28 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In lime-soda process Only carbonate hardness is removed Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Only noncarbonated hardness is removed Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Only carbonate hardness is removed Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Only noncarbonated hardness is removed Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Select the correct relationship between porosity (N), specific yield (y) and specific retention (R) R = N + y y = N + R R > (N + y) N = y + R R = N + y y = N + R R > (N + y) N = y + R ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of cement concrete sewers is Less strength Difficulty in transportation due to heavy weight Difficulty in construction Less life Less strength Difficulty in transportation due to heavy weight Difficulty in construction Less life ANSWER DOWNLOAD EXAMIANS APP
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