Calculate the discharge through a most economical circular section in case of maximum velocity if the radius of the channel is 0.5m, bed slope of 1 in 500 and the value of n = 0.016.

Calculate the discharge through a most economical circular section in

1.	Calculate the discharge through a most economical circular section in case of maximum velocity if the radius of the channel is 0.5m, bed slope of 1 in 500 and the value of n = 0.016.
A.	0.43 m<sup>3</sup>/s
B.	0.53 m<sup>3</sup>/s
C.	0.63 m<sup>3</sup>/s
D.	0.73 m<sup>3</sup>/s
Answer» B. 0.53 m<sup>3</sup>/s