Environmental Engineering in CE Which of the following is the most detrimental for water used in high pressure boiler? Phenol Turbidity Silica Dissolved oxygen Phenol Turbidity Silica Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ substances present in sewage are removed in grit chamber during sewage treatment. Organic Fatty Inorganic Dissolved Organic Fatty Inorganic Dissolved ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. 185 135 160 105 185 135 160 105 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant used for the removal of SO₂ from gas/air? Bog iron Limestone powder or alkalised alumina Silica gel Active carbon Bog iron Limestone powder or alkalised alumina Silica gel Active carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment, alum[Al2(SO₄)3] is used for the process of Sedimentation Coagulation Filtration Disinfection Sedimentation Coagulation Filtration Disinfection ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The amount of chemical coagulant added for treatment of polluted water __________ with increase in temperature of the polluted water to be treated. Decreases Remains constant Increases May increase or decrease ; depends on the chemical characteristics of polluted water Decreases Remains constant Increases May increase or decrease ; depends on the chemical characteristics of polluted water ANSWER DOWNLOAD EXAMIANS APP