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A 3.00 in-diameter steel bar has a flat milled on one side, as shown in Figure P3-29. If the shaft is 44.0 in long and carries a torque of 10 600 lb•in, compute the stress and the angle of twist.
Water at 20 C flows in a conduit with a cross-section shaped in the form of an equilateral triangle. The cross-sectional area of the conduit is 100 sqaure meters and e=0.045 mm.
A normally consolidated clay soil has angle of friction = 20 degrees and effective stress angle of friction = 28 degrees. If a consolidated undrained test is conducted on this clay with an all around pressure of 21.5 lb/in^2
you fill a 2-cubic wheelbarrow to the top with aggregate. if the specific gravity of the aggregate is 2.548, and 18% of the aggregate is void spaces, how much does the aggregate in the wheelbarrow weight
As part of the procurement or contracting department of this federal agency, you need to demonstrate your understanding of the different project delivery methods and contract types available to the agency.
Consider a 1000 acre residential area with a housing density of four dwellings per acre. Evaluate the peak hourly water use requirement.
A container of petrol on a set of scales is used to measure the rate at which fuel is used by an engine under test. In one test the weight measured by the scales decreases by 25.0 N in 1 hour. (Assume the specific gravity of petrol is 0.720 and g is ..
There is a scheduled receipt of 100 Cs in week 2. Quantities required of each are also shown.
Determine θ so that the avg. stress in AC is twice thatof AD. What is the magnitude of stress in each rod? The diameter of each rod is as follows: AD 0.3in, AC 0.25in, AB0.35in
An Electrostatic Precipitator must treat 500,000 acfm with 99% efficiency. Assuming an effective drift velocity of 0.4 ft/sec, calculate the required plate area in ft^2, and the number of plates if each is 20 ft tall by 10 ft long, and there are 4..
Drivers must slow down from 65 miles per hour to 55 miles per hour to negotiate a severe curve on a rural highway. A warning sign for the curve is clearly visible for a distance of 110 feet.
Compute the maximum service load (25% dead and 75% live) acceptable for a structural tee WT12x38 when used in a truss location where it is braced in the plane of the truss at 20 ft intervals and braced transverse to the plane of the truss at 10 ft..
A culvert needs to convey 475 CFS. If five 48 inch RCPs are selected with a rounded end with a headwall (c = 0.5) and the invert of the channel is installed at an elevation of 843 feet, what is the surface water elevation ponding behind the culver..
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