What happens to the depth of flow when there is an obstruction in the – McqOptions

MCQOPTIONS

1.	What happens to the depth of flow when there is an obstruction in the path?
A.	Remains the same
B.	Increases
C.	Decreases
D.	Flow stops
Answer» C. Decreases

Discussion

No Comment Found

Related MCQs

Calculate the head loss in a channel if the length of the back water curve is 30000m and the slope of the energy line is 4 <sup>-4</sup>.
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<sup>-5</sup>. Given: S<sub>0</sub>=1 in 1000,C=35.
The ratio of bed slope and the slope of energy line is 2, calculate the value of slope of energy line if the length of back water curve is 20000m. Given: E<sub>1</sub>=2m and E<sub>2</sub>=5m.
Which of the following assumptions is true in case of GVF?
Calculate the value of Froude s number if the ratio of rate of change of specific energy and rate of change of depth is 0.9.
What happens to the depth of flow when there is an obstruction in the path?
Calculate the frictional slope of a triangular channel having depth 2.5m and side slope of 1H:2V if the rate of change of specific energy is 1.6 10<sup>-5</sup>m/s. Given:V=1.57 m/s
Calculate the value of frictional slope for a rectangular channel having width 5m and depth 3m. Given:V=2 m/s and n = 0.012.
The channel is prismatic in case of a GVF.
Specific energy in GVF changes only under which of the following conditions.