Environmental Engineering in CE Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called Stratosphere Mesosphere Thermosphere Troposphere Stratosphere Mesosphere Thermosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the bacteria in sewage are Anerobic None of these Parasitic Saprophytic Anerobic None of these Parasitic Saprophytic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Bog iron Silica gel Limestone powder Active carbon Bog iron Silica gel Limestone powder Active carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Turbidity Caustic embrittlement Dissolved oxygen Suspended silica Turbidity Caustic embrittlement Dissolved oxygen Suspended silica ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Chemical coagulation Oxidation followed by settling & filtration Chlorination only Simple filtration Chemical coagulation Oxidation followed by settling & filtration Chlorination only Simple filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Active carbon Pulverised limestone Bog iron (iron oxide) Silica gel Active carbon Pulverised limestone Bog iron (iron oxide) Silica gel ANSWER DOWNLOAD EXAMIANS APP