CCB 343 –HYDRAULICSTutorial Questions, February 20211. A sluice gate is used to control and measure the discharge in an open channel. When theupstream and downstream water depths are 1.0 m and 0.2 m respectively, calculate thedischarge in the channel[0.81 m'/s/m width]2. A rectangular concrete-lined channel of width 2.5 m and depth 0.5 m has a slope of 1 inTry calculating the[0.94m/s].2000. If the Manning's n value is 0.015, calculate the discharge.discharge using the Chezy equation with C = 70.3. A hydraulic jump is to be formed in a channel carrying a discharge of 0.8 m/s/m widthof channel with a depth of flow of 0.25 m. Calculate the depth required downstream tocreate the jump.[0.61 m]4. A river is 30 m wide and has a rectangular shape. At a bridge location the flow width isrestricted to 25 m by the piers of the bridge and the river bed is approximately horizontal.Describe the flow which obtains underneath the bridge with minimum upstream depthwhen a flood of 450 m/s flows in the river5. A rectangular channel 4 m wide is narrowed to 2 m width to cause critical flow in thecontracted section. If the depth in this section is 1 m, calculate the flow and depth in the4m section, neglecting energy losses in the transition. Sketch the energy line and thewater surface[y-1.44 m]6. A 3.6 m wide rectangular channel carries water to a depth of 1.8 m. In order to measurethe discharge, the channel width is reduces to 2.4 m and a hump of 0.30 m height isprovided in the bottom. Calculate the discharge if water surface in the contracted sectiondrops by 0.15 m. Assume no losses.(Q-6.418 m³/s]

Answered: Image /qna-images/answer/3908c336-5c09-40d5-90d2-c40503435dff.jpg

1. A sluice gate is used to control and measure the discharge in an open channel. When the upstream and downstream water depths are 1.0 m and 0.2 m respectively, calculate the discharge in the channel (0.81 m/s/m width] 2. A rectangular concrete-lined channel of width 2.5 m and depth 0.5 m has a slope of 1 in 2000. If the Manning's n value is 0.015, calculate the discharge. discharge using the Chezy equation with C = 70. Try calculating the (0.94m/s].

1. A sluice gate is used to control and measure the discharge in an open channel. When the upstream and downstream water depths are 1.0 m and 0.2 m respectively, calculate the discharge in the channel (0.81 m/s/m width] 2. A rectangular concrete-lined channel of width 2.5 m and depth 0.5 m has a slope of 1 in 2000. If the Manning's n value is 0.015, calculate the discharge. discharge using the Chezy equation with C = 70. Try calculating the (0.94m/s].

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

An irrigation channel is to carry a discharge of 14 cumec with a velocity of 0.9 m/s and bed slope of 1 in 2500. The side slopes are 1 to 1. Find the depth and bottom width. The values of Chezy" C for this channel for different values of hydraulic radius R are as tabulated below. Hydraulic radius R 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 Chezy's C 34 35 37 38 39 40 41 41
1. Determine the depth (yo), bearing area (A), and wet circumference (P) of a trapezoidal shaped channel with the following known data mi = 2,5 m2 = 3,5 b = 5,5 m 1. mi Q = 24,5 m³/s m2 n= 0,014 So = 0,0003 %3D
Water flows through an open channel of hydraulic diameter 2.30 m, whose wetted perimeter is 7.00 m. The slope is 0.0130, and the Chézy coefficient is 5.00 m0.5 s-1. (a) Calculate the hydraulic radius. Give your answer in m, to 3 significant figures. (2 mark) Hydraulic radius: (b) Calculate the velocity of the water flow. Give your answer in ms1, to 3 significant figures. (4 marks) Flow velocity: m s-1 (c) Calculate the rate of discharge of the flowing water. Give your answer in cubic metres per second (m³ s-1), to 3 significant figures. (4 marks) Rate of discharge: m3 s-1
4. Find the width, in meters, of the channel at the back of a suppressed weir using the following data: H= 28.5cm d= 2.485m Q = 0.84m/s Consider velocity of approach.
Water flows over a spillway of a dam. At the bottom of the spillway, water flows into a rectangular concrete-finished channel (width - 50 ft) with a slope of 0.005. Let n-0.0206. 2.5 ft d, - 2.9 ft a) Calculate the velocity in the channel at the section where the depth is 2.9 ft. Use Manning's equation. (15) b) Determine Froude number at the section where the depth is 2.9 ft and classify the flow. (15) c) Classify the flow where the depth is 2.5 ft and prove your classification. (15) d) What do you expect the flow to be at depth d2 (just an educated guess)? (5)
Determine the most effi cient dimensions for a clay tilerectangular channel to carry 110,000 gal/min on a slopeof 0.002.
A small stream has a trapezoidal cross- section with base width of 12 m and side slope 2 horizontal: 1 vertical in a reach 8 km. During the high water levels record at the ends of the reach are as follows Section elevation of bed (m) water surface elevation (m) remarks Upstream 100.20 102.70 Manning's n=0.030 Downstream 98.60 101.30 Estimate the discharge in the stream.
In flood stage a natural channel often consists of a deepmain channel plus two floodplains, as in Fig. Thefloodplains are often shallow and rough. If the channel hasthe same slope everywhere, how would you analyze thissituation for the discharge? Suppose that y1 = 20 ft, y2 =5 ft, b1 = 40 ft, b2 = 100 ft, n1 = 0.020, and n2 = 0.040,with a slope of 0.0002. Estimate the discharge in ft3/s.
Q(1): A power canal of trapezoidal section has to be excavated through hard clay at least cost. Determine the dimensions of the channel, given, discharge equal to 14 m3/s, bed slope 1:2500 and Manning's n = 0.02.
You’ve sent your assistant out to measure the flow properties of a frictionlessrectangular flat channel. Your assistant returns with measurements for the depth (d2 =1.4 m), the specific discharge (q2 = 10.0 m2/s), and (somehow) the height of the energygrade line at 4.0 meters all at the downstream cross section. They haven’t done aspectacular job leaving you to solve for d1, q1, V1, and V2. There are two potentialanswers for d1 and V1.
What are the most efficient dimensions for a half-hexagoncast iron channel to carry 15,000 gal/min on a slopeof 0.16°?
EAH 225 HYDRAULICS - Open Channel Hydraulics Tutorial : Application of the Energy Equation and Hydraulic Jump The discharge of water over a spillway 12 m wide is 283 m/s into a stilling basin of the same width. The Bukit Merah lake level behind the spillway has an elevation of 60 m, and the Kurau River water surface elevation downstream of the stilling basin is 30 m. Assuming a 10 percent energy loss in the flow down the spillway, find the invert elevation of the floor of the stilling basin so that the hydraulic jumps forms in the basin. Bukit Merah Lake River Kurau 60 m Stilling Basin 30 m DATUM Spillway