Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Dissolved solids and dissolved gases Bacteria and colloidal solids Dissolved organic substances Floating solids and dissolved inorganic solids Dissolved solids and dissolved gases Bacteria and colloidal solids Dissolved organic substances Floating solids and dissolved inorganic solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Hardy cross method of analysis of distribution system (i) Involves successive trials (ii) Takes economic aspects into account (iii) Is time consuming (i) and (ii) All are correct (i) and (iii) Only (i) (i) and (ii) All are correct (i) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following causes a decrease in per capita consumption? Good quality of water Hotter climate Better standard of living of the people Use of metering system Good quality of water Hotter climate Better standard of living of the people Use of metering system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Generally the detention period for grit chambers is kept as 1 minute 24 hours 12 hours 5 minutes 1 minute 24 hours 12 hours 5 minutes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the sewage contains grease and fatty oils, these are removed in Detritus tanks Grit chambers Sedimentation tanks Skimming tanks Detritus tanks Grit chambers Sedimentation tanks Skimming tanks 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 Reflux valve Sluice valve Pressure relief valve Air relief valve Reflux valve Sluice valve Pressure relief valve Air relief valve ANSWER DOWNLOAD EXAMIANS APP
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