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Prelim11998

Course: CEE 24, Fall 2009
School: Cornell
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Word Count: 524

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331 CEE Fluid Mechanics: Prelim 1 July 21, 1998 - 11:30 AM -12:45 PM Closed book, one 8.5 x 11 summary sheet May the time you spent preparing for this exam pay off. Note that there are constants and equations on the last sheet of the exam. Read each problem carefully before beginning to work on the answer! Make sure you answer each part of each question. Solve all problems using symbols and then substitute...

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331 CEE Fluid Mechanics: Prelim 1 July 21, 1998 - 11:30 AM -12:45 PM Closed book, one 8.5 x 11 summary sheet May the time you spent preparing for this exam pay off. Note that there are constants and equations on the last sheet of the exam. Read each problem carefully before beginning to work on the answer! Make sure you answer each part of each question. Solve all problems using symbols and then substitute numerical values (with units) as a last step. Show your work and underline your final answers. 1) A water column is used to measure the barometric pressure. The water column is outside and the temperature of the water varies with the outdoor temperature. The water barometer was created by filling the tube with pure water and then inverting it. A) (20 points) Calculate the barometric pressure (in kPa) when the outdoor temperature is 35C (water = 994 kg/m3) and R is 9.55 m. (98.7 kPa) B) (5 points) Express your answer (Hg = 13,600 kg/m3). (741 mm Hg) in mm Hg R 8000 7000 6000 5000 4000 3000 2000 1000 0 0 10 20 30 Temperature (C) 40 Vapor pressure (Pa) 2) An automatic gate is installed in an irrigation channel. The angle is 30 and the gate is 2 m wide. A) (20 points) Determine the pivot location "a" of the rectangular gate so that it will open when the liquid surface is as shown. (a = 0.4445 m) B) (15 points) What is the resultant force acting on the gate? (F = 34 kN) C) (5 points) Would the water surface need to be or raised lowered to keep the gate closed? 2m 1m 30 a 3) A scoop attached to a locomotive is used to lift water from a stationary water tank next to the train tracks into a water tank on the train. The scoop pipe is 10 cm in diameter and elevates the water 3 m. Consider the locomotive stationary and the water moving toward the scoop to reduce to a steady-flow situation. Q = 4 L/s d = 10 cm 3m Vscoop A) (5 points) Draw several streamlines in the left half of the stationary water tank stationary water tank (use the scoop as your frame of reference) including the streamlines that attach to the submerged horizontal section of the scoop. B) (10 points) Use the streamlines to help you draw a control volume and clearly label the control surfaces. C) (20 points) How fast must the locomotive be moving (Vscoop) to get a flow of 4 L/s if the frictional losses in t...

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Cornell - CEE - 331
CEE 331 Fluid Mechanics: Prelim 1 July 21, 1998 - 11:30 AM -12:45 PM Closed book, one 8.5 x 11 summary sheetMay the time you spent preparing for this exam pay off. Note that there are constants and equations on the last sheet of the exam. Read each
Cornell - CEE - 24
47Methane Production from Municipal Solid WasteIntroductionArchaeological investigations of landfills have revealed that biodegradable wastes can be found virtually intact 25 years after burial. We know that landfills contain bacteria with the
Cornell - CEE - 453
47Methane Production from Municipal Solid WasteIntroductionArchaeological investigations of landfills have revealed that biodegradable wastes can be found virtually intact 25 years after burial. We know that landfills contain bacteria with the
Cornell - CEE - 24
Laboratory Research in Environmental Engineering Laboratory ManualMonroe L. Weber-Shirk Leonard W. Lion James J. Bisogni, Jr.Cornell University School of Civil and Environmental Engineering Ithaca, NY 14853iiCEE 453: Laboratory Research in Env
Cornell - CEE - 453
Laboratory Research in Environmental Engineering Laboratory ManualMonroe L. Weber-Shirk Leonard W. Lion James J. Bisogni, Jr.Cornell University School of Civil and Environmental Engineering Ithaca, NY 14853iiCEE 453: Laboratory Research in Env
Cornell - CEE - 24
Name _CEE 331 Fluid Mechanics: Prelim 2 June 23, 1999 - 10:00 AM -11:15 PM Closed book, two 8.5 x 11 summary sheetsMay the time you spent preparing for this exam pay off. Note that there are constants and equations on the second sheet of the exam.
Cornell - CEE - 331
Name _CEE 331 Fluid Mechanics: Prelim 2 June 23, 1999 - 10:00 AM -11:15 PM Closed book, two 8.5 x 11 summary sheetsMay the time you spent preparing for this exam pay off. Note that there are constants and equations on the second sheet of the exam.
Cornell - CEE - 24
Name _CEE 331 Fluid Mechanics: Prelim 1 June, 9 1999 - 10:00 AM -11:15 PM Closed book, one 8.5 x 11 summary sheetMay the time you spent preparing for this exam pay off. Note that there are constants and equations on the last sheet of the exam. Rea
Cornell - CEE - 331
Name _CEE 331 Fluid Mechanics: Prelim 1 June, 9 1999 - 10:00 AM -11:15 PM Closed book, one 8.5 x 11 summary sheetMay the time you spent preparing for this exam pay off. Note that there are constants and equations on the last sheet of the exam. Rea
Cornell - CEE - 24
87Oxygen Demand Concepts and Dissolved Oxygen Sag in StreamsIntroductionIn recent years biodegradable has become a popular word. Often it is assumed that if something is biodegradable, then disposal is not a problem. We know that throwing non-bio
Cornell - CEE - 453
87Oxygen Demand Concepts and Dissolved Oxygen Sag in StreamsIntroductionIn recent years biodegradable has become a popular word. Often it is assumed that if something is biodegradable, then disposal is not a problem. We know that throwing non-bio
Cornell - CEE - 24
100Methane Production from Municipal Solid WasteIntroductionArchaeological investigations of landfills have revealed that biodegradable wastes can be found virtually intact 25 years after burial. We know that landfills contain bacteria with the
Cornell - CEE - 453
100Methane Production from Municipal Solid WasteIntroductionArchaeological investigations of landfills have revealed that biodegradable wastes can be found virtually intact 25 years after burial. We know that landfills contain bacteria with the
Cornell - CEE - 24
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Cornell - CEE - 453
142Enhanced FiltrationIntroductionSlow sand filters have been used to remove particles from drinking water since the early 1800's. Although slow sand filtration is an old technology, the mechanisms responsible for particle removal are not well un
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64Phosphorus Determination using the Colorimetric Ascorbic Acid TechniqueIntroductionPhosphorus has been identified as a prime nutrient needed for algae growth in inland environments. In 1992, the EPA reported that accelerated eutrophication was
Cornell - CEE - 453
64Phosphorus Determination using the Colorimetric Ascorbic Acid TechniqueIntroductionPhosphorus has been identified as a prime nutrient needed for algae growth in inland environments. In 1992, the EPA reported that accelerated eutrophication was
Cornell - CEE - 24
119Volatile Organic Carbon Contaminated Site AssessmentIntroductionRoughly 75 percent of the major cities in the U.S. depend, at least in part, on groundwater for their water supply. Various estimates of the nationwide extent of groundwater conta
Cornell - CEE - 453
119Volatile Organic Carbon Contaminated Site AssessmentIntroductionRoughly 75 percent of the major cities in the U.S. depend, at least in part, on groundwater for their water supply. Various estimates of the nationwide extent of groundwater conta
Cornell - CEE - 24
126Volatile Organic Carbon Sorption to SoilIntroductionVolatile organic carbon compounds (VOCs) can exist as vapors, non-aqueous phase liquids, dissolved in water, or sorbed to surfaces. Sorption is the term used to refer to the binding reactions
Cornell - CEE - 453
126Volatile Organic Carbon Sorption to SoilIntroductionVolatile organic carbon compounds (VOCs) can exist as vapors, non-aqueous phase liquids, dissolved in water, or sorbed to surfaces. Sorption is the term used to refer to the binding reactions
Cornell - CEE - 24
30Reactor CharacteristicsIntroductionChemical, biological and physical processes in nature and in engineered systems usually take place in what we call &quot;reactors.&quot; Reactors are defined by a real or imaginary boundary that physically confines the
Cornell - CEE - 453
30Reactor CharacteristicsIntroductionChemical, biological and physical processes in nature and in engineered systems usually take place in what we call &quot;reactors.&quot; Reactors are defined by a real or imaginary boundary that physically confines the
Cornell - CEE - 24
70Soil Washing to Remove Mixed WastesObjectiveThe goal of this laboratory exercise is to acquaint students with some of the chemical reactions that result in the binding of inorganic and organic pollutants in subsurface materials. Extractants use
Cornell - CEE - 453
70Soil Washing to Remove Mixed WastesObjectiveThe goal of this laboratory exercise is to acquaint students with some of the chemical reactions that result in the binding of inorganic and organic pollutants in subsurface materials. Extractants use
Cornell - CEE - 24
43Acid Precipitation and Remediation of Acid LakesIntroductionAcid precipitation has been a serious environmental problem in many areas of the world for the last few decades. Acid precipitation results from the combustion of fossil fuels, that pr
Cornell - CEE - 453
43Acid Precipitation and Remediation of Acid LakesIntroductionAcid precipitation has been a serious environmental problem in many areas of the world for the last few decades. Acid precipitation results from the combustion of fossil fuels, that pr
Cornell - CEE - 24
57Measurement of Acid Neutralizing CapacityIntroductionAcid neutralizing capacity (ANC) is a measure of the ability of water to neutralize acid inputs. Lakes with high ANC (such as Cayuga Lake) can maintain a neutral pH even with some acid rain i
Cornell - CEE - 453
57Measurement of Acid Neutralizing CapacityIntroductionAcid neutralizing capacity (ANC) is a measure of the ability of water to neutralize acid inputs. Lakes with high ANC (such as Cayuga Lake) can maintain a neutral pH even with some acid rain i
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Cornell - GEO - 101
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GS434 Spring 99 Lab 3: Convolution and Linear Filtering Due 2/12/97 The basic mathematical expression of a simple linear filter is y t = x t * ft where yt = xt = ft = and output of filter input to filter filter impulse response function* is the mat
Cornell - EAS - 434
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Cornell - EAS - 434