Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 0.1 to 1 3 to 6 10 to 15 15 to 20 0.1 to 1 3 to 6 10 to 15 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Algae Micro-organisms Files Mosquitoes Algae Micro-organisms Files Mosquitoes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? Hg SO₂ F NOx Hg SO₂ F NOx ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Shrinkage of filtering media Expansion of filtering media Mud balls Air binding Shrinkage of filtering media Expansion of filtering media Mud balls Air binding ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes All of these Reduced strength of textiles Corrosion, tarnishing & soiling of metals Fading of dyes on textiles All of these Reduced strength of textiles Corrosion, tarnishing & soiling of metals Fading of dyes on textiles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is not formed due to the presence of __________ in the atmosphere. SO₂ CO₂ Any of these NOx SO₂ CO₂ Any of these NOx ANSWER DOWNLOAD EXAMIANS APP