Environmental Engineering The working conditions in imhoff tanks are Anaerobic only Aerobic in lower compartment and anaerobic in upper compartment anaerobic in lower compartment and aerobic in upper compartment Aerobic only Anaerobic only Aerobic in lower compartment and anaerobic in upper compartment anaerobic in lower compartment and aerobic in upper compartment Aerobic only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank depends on Surface area of tank Depth of tank Both depth and surface area of tank None of these Surface area of tank Depth of tank Both depth and surface area of tank None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The slope of sewer shall be Steeper than 1 in 20 Zero Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground Steeper than 1 in 20 Zero Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period in coagulation tanks is usually kept as 2 to 6 days 30 to 45 minutes 2 to 6 hours 1 to 2 minutes 2 to 6 days 30 to 45 minutes 2 to 6 hours 1 to 2 minutes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow of water in a sedimentation tank is about 5 to 10 cm/sec 15 to 30 cm/minute 15 to 30 cm/sec 15 to 30 cm/hour 5 to 10 cm/sec 15 to 30 cm/minute 15 to 30 cm/sec 15 to 30 cm/hour ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In chlorination, with the rise in temperature of water, death rate of bacteria None of these Decreases Increases Remains unaffected None of these Decreases Increases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
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