Hamad Environmental Engineering 04/07/2021 A. 0.1 ppm B. 0.01 ppm C. 0.001 ppm D. 0.0001 ppm Related Mcqs: The hourly variation factor is usually taken as______________?A. 1.5 B. 1.8 C. 2.0 D. 2.7... The length of rectangular sedimentation tank should not be more than_______________?A. B B. 2B C. 4B D. 8B where B is the width of the tank... The pathogens can be killed by_______________?A. nitrification B. chlorination C. oxidation D. none of the above... Settling velocity increases with_______________?A. specific gravity of solid particles B. size of particles C. depth of tank D. temperature of liquid... The settling velocity of a particle in a sedimentation tank increases if_________________?A. particle size is decreased B. the surface area of tank is increased C. the depth of tank is decreased D. none of the above...
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