Question

The value of Bazen’s constant for good earthen channels is ____________

(a) 0.12

(b) 1.54

(c) 0.50

(d) 3.17

I had been asked this question in a national level competition.

Question is taken from Hydraulic Formulae in section Hydraulic Design of Sewers of Environmental Engineering

Answer 1

Right option is (c) 0.50

To explain: When the type of inside surface of sewer is a good earthen channel, the value of Bazen’s constant is 0.50.