Environmental Engineering in CE Presence of iron and manganese in water causes Reduction in its dissolved oxygen content Discoloration of bathroom fixtures Temporary hardness None of these Reduction in its dissolved oxygen content Discoloration of bathroom fixtures Temporary hardness None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? CO H₂S SO₂ Hydrocarbons CO H₂S SO₂ Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Bag filter design is predominantly dependent on gas temperature, as it affects the gas density & viscosity and the selection of filtering material. The pressure drop in a bag filter is Proportional to the viscosity & density of the gas Both B and C Inversely proportional to viscosity of gas Proportional to the pressure of the gas Proportional to the viscosity & density of the gas Both B and C Inversely proportional to viscosity of gas Proportional to the pressure of the gas ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most lethal water pollutant? Suspended solids Phenol and cynide Alkalis Chlorine Suspended solids Phenol and cynide Alkalis Chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Mosquitoes Micro-organisms Algae Files Mosquitoes Micro-organisms Algae Files ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 15 to 20 4 to 5 1 to 2 9 to 10 15 to 20 4 to 5 1 to 2 9 to 10 ANSWER DOWNLOAD EXAMIANS APP