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1.Two simply supported beams are coupled so their centers have equal deflections. The upper beam has length L1 and lower beam has length L2. Determine the deflection of the center of the beams.
2.A 10-year, 12%, $1,000 bond that pays dividends quarterly can be purchased for $900. If the bond is purchased and pays as scheduled, calculate the nominal and the effective rate of return that the purchaser receives.
The jib crane supports a load of 750 lb from the trolley which rides on the top of the jib. The members of the crane are pinned together at B, E, and F and supported by a short link BH.
Groundwater in Taupe, Arizona, initially contains 1.8 mg/L of iron(III). What must the pH be raised to in order to precipitate 0.3 mg/L of the iron
A building frame is made with a 10" square steel box shape that has an area of 15 in^2 and a moment of inertia I =225 in^4. The frame consists of pinned supports at points A and F and an internal pin at point D.
A pump has the following pump curve is pumping at a rate of 5000gpm. Calculate (a) the total head the pump is pumping against. (b) brake horsepower required to drive the pump.
Higher water level inside the eye, combined with wind results in a "storm surge". Calculate the force on the levee gates form storm surge 20 feet above level of the lake traveling at about 25 ft/sec.
radioactive wastes are stored in a spherical type 316 stainless steel tank kss 13 wmk of inner diameter 1 m and 1 cm
An activated sludge system operates at a flow rate (Q) of 400 m3/day with an incoming BOD (So) of 300 mg/L. Throughout pilot plant work, the kinetic constants for this system are determined to be Y = 0.5 kg SS/kg
A 30 g bullet is fired with a horizontal velocity of 450 m/s through 3-kg block B and becomes embedded in carrier C which has a mass of 30 kg. After the impact, block B slides 0.3m on C before coming to rest relative to the carrier.
However, design codes which deal with shear friction design place an upper limit on the magnitude of the shear force for which the plane can be designed. Explain why this is so.
The stream from a gas well is a mixture containing 50 mol % methane, 10 mol % ethane, 20 mol % propane, and 20 mol % n-butane. This stream is fed into a partial conderser maintained at a pressure of 250 psia
Stripping overburden in the Illinois coal belt, the Dusty Coal Company uses 270-horsepower, track-type tractors (with direct-drive transmissions) and drawn scrapers.
Describe the problem of lack of coordination between design and construction in a traditional contract. In agency CM,what expertise does the CM provide during the pre-design and design phase.
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