Environmental Engineering in CE Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools). 43832 43961 15-20 25-30 43832 43961 15-20 25-30 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 7 x 10⁷ 10⁻⁷ 7 x 10⁻⁷ 10⁷ 7 x 10⁷ 10⁻⁷ 7 x 10⁻⁷ 10⁷ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Turbidity of water is an indication of the presence of Dissolved solids Floating solids Suspended inorganic matter Dissolved gases Dissolved solids Floating solids Suspended inorganic matter Dissolved gases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. 35 75 95 105 35 75 95 105 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the Vegetation Forestation Rain Green house effect Vegetation Forestation Rain Green house effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 1-2 90-120 5-10 1500-2500 1-2 90-120 5-10 1500-2500 ANSWER DOWNLOAD EXAMIANS APP
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