Waste Water Engineering ‘Cowl’ is provided at Upper end of ventilating column Upper end of the manhole First step in manhole Lower end of ventilating column Upper end of ventilating column Upper end of the manhole First step in manhole Lower end of ventilating column ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate None of these Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Flocculated particles do not change their Shape Weight None of these Size Shape Weight None of these Size ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed None of these At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow Parallel to the direction of flow None of these At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow Parallel to the direction of flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Chezy Kutter Bazin Manning Chezy Kutter Bazin Manning ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Chezy’s formula Kutter’s formula Bazin’s formula Manning’s formula Chezy’s formula Kutter’s formula Bazin’s formula Manning’s formula ANSWER DOWNLOAD EXAMIANS APP
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