Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 15 to 20 4 to 5 9 to 10 1 to 2 15 to 20 4 to 5 9 to 10 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes Paralysis of muscles & loss of appetite Nervous depression Gastritis & diarrhea All of these Paralysis of muscles & loss of appetite Nervous depression Gastritis & diarrhea All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Calcium Sulphate Choride Carbonate Calcium Sulphate Choride Carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tank is a(i) Settling tank(ii) Digestion tank(iii) Aeration tank Only (iii) Only (i) (i) and (ii) (i) and (iii) Only (iii) Only (i) (i) and (ii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Photosynthetic action of algae Neither A nor B Both A & B Natural aeration of water stream Photosynthetic action of algae Neither A nor B Both A & B Natural aeration of water stream ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to Shear forces Reynold stresses Neither A nor B Both A & B Shear forces Reynold stresses Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
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