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 Copper Reinforced cement concrete Steel Cast iron Copper Reinforced cement concrete Steel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The layout of distribution system in which water flows towards the outer periphery is Dead end system Ring system Radial system Grid iron system Dead end system Ring system Radial system Grid iron system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pathogens can be killed by Oxidation Chlorination Nitrification None of these Oxidation Chlorination Nitrification None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by Decreasing the depth of tank Decreasing the surface area of tank Increasing the surface area of tank Increasing the depth of tank Decreasing the depth of tank Decreasing the surface area of tank Increasing the surface area of tank Increasing the depth of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of Alteration of pressure filters is Less than that of slow sand filters In between the filtration rate of slow sand filters and rapid sand filters Greater than that of rapid sand filters Equal to that of slow sand filters Less than that of slow sand filters In between the filtration rate of slow sand filters and rapid sand filters Greater than that of rapid sand filters Equal to that of slow sand filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Dissolved oxygen in streams is Minimum at noon Maximum at noon Same throughout the day Maximum at midnight Minimum at noon Maximum at noon Same throughout the day Maximum at midnight ANSWER DOWNLOAD EXAMIANS APP
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