Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN: 9781305084766
Author: Saeed Moaveni
Publisher: Cengage Learning
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Chapter 7.2, Problem 5BYG
To determine
Describe the representation of the radians.
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Question 4. A rectangular, unfinished concrete channel of 30-ft width is laid on a slope of 7 ft/mi.
Determine the flow depth and Froude number of the flow if the flowrate is 350 ft³/s.
Question 3. A lake discharges into a steep channel. At the channel entrance the lake is 4 m above
the channel bottom. Neglecting losses, find the discharge for the following geometries:
(a) Rectangular section, b = 4 m
(b) Trapezoidal section, b = 3 m, angle = 60°
(c) Circular section, d = 3.5 m.
Question 7.
A popular sharp-crested weir for use in low-flow situations is the V-notch weir, as shown below.
When these weirs are designed, the equation for determining the flowrate by neglecting the
velocity head of the upstream flow can be written as Q = CH", where C is a coefficient of discharge
and is a function of the notch angle (0) and n is a weir constant. The constants C and n must be
determined experimentally for a given weir. In logarithmic form, the weir equation is log Q = n
log H + log C.
Assume we have a flume in the lab where we can experimentally explore the relationship between
Q and H for this weir by adjusting the flowrates. Develop an appropriate experiment to determine
n and C' (the weir discharge coefficient) for the weir used. Write the experimental procedure steps
and measurement readings that are needed to determine these coefficients empirically. Hint: Please
refer to your lab manual.
Draw down
Nappe
H
V notch weir
Weir plate
sharp-crested weir
Chapter 7 Solutions
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
Ch. 7.2 - Prob. 1BYGCh. 7.2 - Prob. 2BYGCh. 7.2 - Prob. 3BYGCh. 7.2 - Prob. 4BYGCh. 7.2 - Prob. 5BYGCh. 7.2 - What does strain represent?Ch. 7.2 - Prob. BYGVCh. 7.5 - Prob. 1BYGCh. 7.5 - Describe two different methods that you can use to...Ch. 7.5 - Prob. 3BYG
Ch. 7.5 - Prob. 4BYGCh. 7.5 - Prob. 5BYGCh. 7.5 - Prob. BYGVCh. 7 - Prob. 1PCh. 7 - Prob. 2PCh. 7 - Prob. 3PCh. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Prob. 6PCh. 7 - Prob. 7PCh. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - Prob. 10PCh. 7 - Investigate the diameter of the electrical wire...Ch. 7 - Prob. 12PCh. 7 - Prob. 13PCh. 7 - Prob. 15PCh. 7 - Prob. 17PCh. 7 - Using area as your variable, suggest ways to cool...Ch. 7 - Prob. 19PCh. 7 - Prob. 20PCh. 7 - Prob. 21PCh. 7 - Prob. 22PCh. 7 - Prob. 23PCh. 7 - Prob. 24PCh. 7 - Prob. 25PCh. 7 - Prob. 26PCh. 7 - Prob. 27PCh. 7 - Prob. 28PCh. 7 - Prob. 30PCh. 7 - Prob. 31PCh. 7 - Prob. 32PCh. 7 - Prob. 33PCh. 7 - Prob. 34PCh. 7 - Prob. 35PCh. 7 - Prob. 36PCh. 7 - Prob. 37PCh. 7 - Prob. 38PCh. 7 - Prob. 39PCh. 7 - Prob. 40PCh. 7 - Prob. 41PCh. 7 - Prob. 42PCh. 7 - A 10 cm long rectangular bar (when subjected to a...Ch. 7 - Prob. 44PCh. 7 - Prob. 45PCh. 7 - Prob. 46PCh. 7 - Prob. 47PCh. 7 - Prob. 48PCh. 7 - Prob. 49PCh. 7 - Prob. 50P
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