Multiple choice

A rectangular channel 6.0 m wide carries a discharge of 16.0 m3/s under uniform condition with normal depth of 1.60 m. Manning’s n is 0.015.

The channel width is to be contracted. The minimum width to which the channel can be contracted without affecting the upstream flow condition is

  1. 3.0 m

  2. 3.8 m

  3. 4.1 m

  4. 4.5 m
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 

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