The depth and widths of a trapezoidal channel section are 2m and 4m re – McqOptions

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1.	The depth and widths of a trapezoidal channel section are 2m and 4m respectively and the side slope of 1H;5V, calculate the rate of change of depth if the rate of change of specific energy is 1.5 10-5. Given: S0=1 in 1000,C=35.
A.	0.5 10<sup>-5</sup>m
B.	1.0 10<sup>-5</sup>m
C.	1.5 10<sup>-5</sup>m
D.	2.0 10<sup>-5</sup>m
Answer» D. 2.0 10<sup>-5</sup>m

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