Fundamentals of Hydraulic Engineering Systems 5th Edition

1 TEST QUESTIONS - CHAPTER #1 Short Answer Questions 1. Define specific heat. Ans. The amount of energy required to raise the temperature of a substance by 1oC. 2. Define cavitation. Ans. Cavitation is rapid water vaporization that occurs in closed

93 TEST QUESTIONS & PROBLEMS - CHAPTER #10 Short Answer Questions 1. Define dimensional analysis. Ans. Assessment of the appropriate physical quantities and fundamental hydraulic relationships (both static and dynamic) involved in the performance of the structure. 2. (T or F) The reduced version of

TEST QUESTIONS & PROBLEMS - CHAPTER #11 Short Answer Questions 1. Identify the difference between hydrology and hydraulics. Ans. Hydraulics - a branch of engineering that applies fluid mechanics principles toproblems of collection, storage, control, transport, regulation, measurement, and use ofwater. Hydrology - a science dealing with properties, distribution, & circulation of

122 TEST QUESTIONS & PROBLEMS - CHAPTER #12 Short Answer Questions 1. Identify two changes in a watershed that would affect the hydrologic homogeneity of a data set containing annual maximum stream flows. Ans. Hydrologic homogeneity would be affected by urbanization, relocated gages, streamflow

6 TEST QUESTIONS - CHAPTER #2 Short Answer Questions 1. State Pascals law. Ans. A pressure applied at any point in a liquid at rest is transmitted equally and undiminished in all directions to every other point in the liquid. Ans. A pressure applied

9 11. A vertical gate keeps water from flowing in a triangular irrigation channel. The channel has a 4-m top width and a 3-m depth. If the channel is full, what is the magnitude of the hydrostatic force on the triangular gate and its location?

18 TEST QUESTIONS & PROBLEMS - CHAPTER #3 Short Answer Questions 1. In Osborne Reynolds carefully performed experiments, what observation was apparent when laminar flow was occurring in the glass pipe? Ans. When colored water was injected into the flow stream, it appeared as

27 TEST QUESTIONS & PROBLEMS - CHAPTER #4 Short Answer Questions 1. Why is an iterative procedure required to determine the size (diameter) of a pipeline needed to pass a given flow from one reservoir to another if you are provided with the reservoir

36 9. Determine the flow in each pipe in the figure below if all of the pipes are made of the same material with e = 0.05 mm and water temperature at 20C ( = 1.00 x 10-6). Try an initial energy level at the

42 TEST QUESTIONS & PROBLEMS - CHAPTER #5 Short Answer Questions 1. Define the physical meaning of Vo, o, and o in the centrifugal pump vector diagram. Ans. Vo is the absolute velocity of the water leaving the impellor, o is the angle

49 6. As field engineer on a construction project, you need to pump water from a river (water surface elevation of 382.5 meters) to a reservoir (water surface elevation 400 meters). The pump available to you has the pump characteristics tabulated below. The pipeline will be

54 TEST QUESTIONS & PROBLEMS - CHAPTER #6 Short Answer Questions 1. The flow of water in a small stream during a rainfall event can be described as: a) steady and uniform b) steady and rapidly varied c) steady and gradually varied d) unsteady

61 4. Determine normal depth for a 4-m-wide trapezoidal channel that is carrying a discharge of 4. Determine normal depth for a 4-m-wide trapezoidal channel that is carrying a discharge of 4. Determine normal depth for a 4-m-wide trapezoidal channel that is carrying a discharge of

66 TEST QUESTIONS & PROBLEMS - CHAPTER #7 Short Answer Questions 1. (T or F) Aquifer permeability is affected by groundwater temperature. Ans. True. It affects the specific weight and viscosity in Equation (7.3). Ans. True. It affects the specific weight and viscosity in

73 6. A pharmaceutical industry owns a discharge well that completely penetrates a confined aquifer and is pumped at a constant rate of 2,150 m3/day. The aquifer transmissivity is 880 m2/day. The steady state drawdown measured at a distance 80 m from the pumped well is

80 TEST QUESTIONS & PROBLEMS - CHAPTER #8 Short Answer Questions 1. (T or F) Buttress dams are generally built in steep rock canyons. Ans. False arch dams rely on rock canyon walls for stability. Ans. False arch dams rely on rock canyon walls

88 TEST QUESTIONS & PROBLEMS - CHAPTER #9 Short Answer Questions 1. Define liquid pressure. Ans. The normal force exerted by a liquid on a unit surface area. Ans. The normal force exerted by a liquid on a unit surface area. Ans. The normal