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 Reflux valve Pressure relief valve Air relief valve Sluice valve Reflux valve Pressure relief valve Air relief valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pathogens can be killed by Chlorination Oxidation None of these Nitrification Chlorination Oxidation None of these Nitrification ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable layout of distribution system for a city with roads of rectangular pattern is Ring system Grid iron system Radial system Dead end system Ring system Grid iron system Radial system Dead end system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Most suitable section of sewer in separate sewage system is Circular section Rectangular section Standard form of egg shaped sewer Modified egg shaped section Circular section Rectangular section Standard form of egg shaped sewer Modified egg shaped section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Dissolved oxygen in streams is Maximum at midnight Same throughout the day Minimum at noon Maximum at noon Maximum at midnight Same throughout the day Minimum at noon Maximum at noon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is Larger None of these Smaller Same Larger None of these Smaller Same ANSWER DOWNLOAD EXAMIANS APP
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