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a section of highway has the following flow- density relationship: q= 50k - 0.156k^2 what is the capacity of the highway section, the speed at capacity, and the density when the highway is at one-quarter of its capacity?
Describe some of the benefits of physical models and mock-ups. What data are required to measure the following cost-effectiveness, system effectiveness, operational availability, and life-cycle cost?
water flows from a lake as is shown in fig. p8.40 at a rate of 4.0 cfs. is the device inside the building a pump or a turbine? Explain and determine the horsepower of the device. neglect all minor losses and assume the friction factor is .025
A 200ft length of steel wire is to carry a tensile load of 340lb. Find the minimum acceptable wire diameter if the maximum allowable stress in the wire is 30ksi, and the lengh of the wire must not increase by more than 2 inches when there is no ch..
The circular top of a can has a radius of .0320m. the pull-tab has an area of 3.8x10^-4 m^2. The absolute pressure of the carbon dioxide in the can is 1.40x10^5Pa. find the force that these gas generates on the top of a can?
Determine the percent elongation and percent reduction in area of each specimen.
A dam project specifies 97% compaction. Lab tests on the soil being used indicate that it has a maximum dry density of 1900 kg/m 3 at an optimum water content of 13.2%.
determine the pressure head at the nozzle inlet to produce a water jet velocity of 40 ft/s. Neglect the friction loss and assume incompressible flow.
Derive the 3-h Snyder unit hydrograph for a 100-km^2 watershed where the main stream is 15 km long and the distance from the watershed outlet to the point on the stream nearest to the centroid of the watershed is 7 km.
If they plan to increase their savings by 5% each year, how much must they invest in the first year given that they expect to earn 4% per year on their investment?
In what direction did the cue ball move after the collision? What percentage of its kinetic energy did the cue ball impart to the eight ball?
what is the rate of evapouration of water from a reservoir with air temp at 20c and the surface of reservoir is 3000m2.
A tray rests on an extendible arm consisting of two steel tubes with two different outer diameters. The downward force at the tray center F0 = 1000 N. Determine the downward deflection of the tray center and the tilt angles of the tray about each ..
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