Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Lime Ferrous sulphate Hydrazine Alum Lime Ferrous sulphate Hydrazine Alum ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Shrinkage of filtering media Mud balls Air binding Expansion of filtering media Shrinkage of filtering media Mud balls Air binding Expansion of filtering media ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Pneumoconiosis' is a disease caused by the inhalation of __________ dust. Iron ore Uranium ore Coal Lime Iron ore Uranium ore Coal Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Pulverised limestone Active carbon Bog iron (iron oxide) Silica gel Pulverised limestone Active carbon Bog iron (iron oxide) Silica gel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes Nervous system disorder Blood poisoning Anaemia All of these Nervous system disorder Blood poisoning Anaemia All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 7.3 1.8 13.4 6.2 7.3 1.8 13.4 6.2 ANSWER DOWNLOAD EXAMIANS APP