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A sewer pipe must be laid from a starting invert elevation of 650.73 ft at station 9 + 25 to an ending invert elevation of 653.81 ft at station 12 + 75. Determine the uniform grade needed, and calculate invert elevations at each 50-ft station.
Calculate the angular velocity ω which the pendulum has immediately after impact and find the maximum angular deflection θ of the pendulum
A foot valve for a pneumatic systemis hinged at B. Knowing that a=28degrees, determine the moment of the l6-N force about point B by resolvingthe force into horizontal and vertical components
An area that varies in elevation from 463ft - 634ft is being mapped. What contour intervals will be drawn if a 50ft interval is used. Which lines are emphasized.
What is the normal depth in a 4-foot wide rectangular channel that conveys a discharge of 100 CFS and has a bed slope of 2% with a Manning’s roughness coefficient of 0.025? a).1.3 feet b).2.7 feet c).4.4 feet d).6.2 feet
In Fig, the hydrostatic force F is the same on the bottom of all three containers, even though the weights of liquid above are quite different. The three bottom shapes and the fluids are the same. This is called the hydrostatic paradox. Explain wh..
following results were obtained from direct shear tests on specimens of a sand compacted to the in-situ
If the resultant force of the two tugboats is 2.2kN , directed along the positive x axis, determine the required magnitude of force Fb. Determine the direction theta of force Fb
determine the rate of discharge through the gate; b) determine the critical depth , yc at the minimum energy, Es,min; c) determine the critical depth, yc at the current flow; d) determine the alternate depth; e) determine the flow regime (sub- or ..
A baseball is hit from home plate and travels over the center field fence. What would the trajectory of the baseball look like if air-resistance was not factored in
A canal was constructed running parallel to a river 1500 ft away. Both fully penetrate a sand aquifer with a hydraulic conductivity of 1.2 ft/d. The area is subject to rainfall of 1.8 ft/y and evaporation of 1.3 ft/y. The elevation of water above the..
A 73-mm diameter aluminum (SG=2.64) piston of 100-mm length residesin a stationary 75-mm inner diameter steel tube lined with SAE10W-30 oil at 25C. A mass m=2kg is suspended from the free end ofthe piston
Carbon dioxide contained in a piston-cylinder device is compressed from 0.3 to 0.1 m3. During the process, the pressure and volume are related by P= aV-2, where a 8 kPa · m6. Calculate the work done on the carbon dioxide during this process.
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