Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Skimming tank Imhoff tank Oxidation Lagoon Skimming tank Imhoff tank Oxidation Lagoon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Heavy metals and cynides Soluble and toxic organics Suspended solids All of these Heavy metals and cynides Soluble and toxic organics Suspended solids All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Lime Sodium aluminate Ferric chloride Alum (aluminium sulphate) Lime Sodium aluminate Ferric chloride Alum (aluminium sulphate) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 10 5 1 20 10 5 1 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is Boundary layer separation Pipe vibrations Cavitation Fluctuation in liquid flow Boundary layer separation Pipe vibrations Cavitation Fluctuation in liquid flow ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution due to excessive heat & temperature in the working place causes High breathing rate Reduction in working efficiency of manpower Fatigue All of these High breathing rate Reduction in working efficiency of manpower Fatigue All of these ANSWER DOWNLOAD EXAMIANS APP
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