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The structure consists of two uniform members AB and BC, each weight 2kN. The member are pinned to each other at B, and the structure is supported by a pin at C and a surface at A having coefficient of static friction 1.2. Determine the largest positive value P the structure can support.
A 500 lb flywheel is shown. A 100 lb block is held by a light cable wrapped around the hub of the flywheel the radius of which is 2 ft. If the system is released from rest and the weight has a velocity of 11 ft/sec after 5 s
Determine the magnitude of the couple force so that the resultant couple moment on the crank is zero.
Determine the unfactored dead load and live load on a typical interior roof beam, sketch the loading on the beam, and draw the shear and moment diagrams for the beam assuming the beam is simply-supported.
Oxygen and methane are mixed at 250kPa absolute pressure and 100 degrees C. The velocity of the gases into the mixer us 5m/s. The density of the gas leaving the mixer is 2.2 kg/m^3. Determine the exit velocity of the gas mixture.
Explain CBR method of pavement design with one example.
Calculate the work necessary to compress air in an isolated cylinder from a volume of 6 ft^3 to a volume of 1.2 ft^3. The initial pressure and temperature are 30.0 psia and 50 degree F, respectively.
Structural steel beams are to be placed at 7ft 6in on center under a reinforced concrete floor slab. If they are to support a service dead load D=64 psf of floor area and a service live load L=100 psf of floor area
Calculate the surface area required for a stabilization pond to serve a domestic population of 1000. Assume 80 gpcd at 210 mg/l of BOD. Use a design loading of 20 lb of BOD/acre/day.
Construction Business Enterprise Risk Management is a very large component in the operation of any contracting venture. Discuss how you, as head of operations, would weave risk management into the planning and operations processes
acetic acid is a weak acid. Its Ka is 1.8(10^-5). For a concentration of 0.015 M, calculate the pH.
Important information about Short essay, In managing the uncertainties of ethical issues in engineering, what are some questions that we may ask to limit some of the risk
If 90% of the weight of this brown sugar is sucrose (C12H22O11), what mass of dissolved oxygen would have been required to degrade this mass of sucrose had some not been recovered from the barge prior to its dissolution and dispersion into the riv..
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