Environmental Engineering The length of rectangular sedimentation tank should not be more than (Where ‘B’ is the width of the tank) 2B B 4B 8B 2B B 4B 8B 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) (ii) and (iii) (i) and (iv) (i) and (ii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable layout of a distribution system for irregularly growing town is Radial system Dead end system Ring system Grid iron system Radial system Dead end system Ring system Grid iron system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The distribution mains are designed for Maximum daily demand Average daily demand Maximum hourly demand Maximum hourly demand on maximum day Maximum daily demand Average daily demand Maximum hourly demand Maximum hourly demand on maximum day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank increases if The depth of tank is decreased Particle size is decreased None of these The surface area of tank is increased The depth of tank is decreased Particle size is decreased None of these The surface area of tank is increased ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Corrosion in concrete sewers is caused by Septic conditions Nitrogen Dissolved oxygen Chlorine Septic conditions Nitrogen Dissolved oxygen Chlorine ANSWER DOWNLOAD EXAMIANS APP
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