Environmental Engineering in CE Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. 105 75 35 95 105 75 35 95 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a 'particulate'? Smoke & fumes Photochemical smog & soot None of these Dust & mists Smoke & fumes Photochemical smog & soot None of these Dust & mists ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ is accomplished by aeration of water. None of these Dissolved solids Dissolved gases Suspended solids None of these Dissolved solids Dissolved gases Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? Thermosphere Stratosphere None of these Troposphere Thermosphere Stratosphere None of these Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Scale formation in boiler is controlled by Eliminating H₂S in feed water Reduction in hardness, silica & alumina in feed water Keeping the pH value of feed water just below 7 Preheating of feed water Eliminating H₂S in feed water Reduction in hardness, silica & alumina in feed water Keeping the pH value of feed water just below 7 Preheating of feed water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Taste & odour control Disinfection Removal of permanent hardness Weed control in reservoirs Taste & odour control Disinfection Removal of permanent hardness Weed control in reservoirs ANSWER DOWNLOAD EXAMIANS APP
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