EXERCISES, LESSON 5
INSTRUCTIONS: Answer the following exercises by marking the lettered response
that best answers the exercise, by completing the incomplete statement, or by writing
the answer in the space provided at the end of the exercise.
After you have completed all of these exercises turn to "Solutions to Exercises" at
the end of the lesson and check your answers. For each exercise answered incorrectly,
reread the material referenced with the solution.
If the head is 7 1/2 inches, what is the flow, in gpm, of a stream of water flowing
over a 90 V-notch weir? _______________.
If it takes a floating stick 30 seconds to travel 60 feet down a stream, which are 10
feet wide and has an average depth of 3 feet, what is its rate of f low, in gpm?
What is the capacity, in gpm, of a pump delivering water from a well, if the delivery
pipe is horizontal, has an inside diameter of 2.07 inches, the horizontal axis of
which is 12 inches above the ground, and which delivers a stream of water which
impacts at a horizontal distance of 3 feet from the end of the pipe? __________.
If it takes a cork 10 seconds to travel 30 feet, what is the rate of flow of the stream
whose cross section is depicted below? ________________.
If a 5-acre lake has an average depth of 15 feet, what is its capacity, in gallons?