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The 80-N force is applied to the handle of the embosser at E. Determine the resulting normal force exerted on the workpiece at D. Neglect the weights of the members.
If the bar is 90 degrees F. If the bar is cooled to 40 degrees F, what is the maximum normal stress in the bar and what is the maximum shear stress alpha = 13*10^-6 /degF, E = 10*10^3 ksi
A flow of 28 m3s-1 occurs in an earth-lined canal having a base width of 3 m, side slopes of 1(vertical) to 2 (horizontal) and the Manning's n value of 0.022. Calculate the critical depth and critical slope.
A horizontal pre-stressing force of 500kN is applied to rectangler beam. the beam has a depth of 500mm and a width of 250mm. the force is applied at a distance of 80mm below the x-x axis. what is the stress along the top edge and the bottom edge caus..
A soil borrow material in its natural state in the ground has a unit weight of 85 pfc. When a sample of this soil is dried in the laboratory, its dry unit weight is 72 pfc.
An electrostatic precipitator for a coal-fired power plant has an overall particulate recovery of 95%. The company engineer decides that this is too good, that it is not necessary to be this efficient
Determine the factor of safety for a 9 foot long hollow steel column 3.5 inches on a side that has a wall thickness of 0.225 inches and is loaded with a 22 kip load.
HOCL is added to water in a tank as a disinfectant. after equilibrium is reached it is found that the pH of the water in the tank is 8.2 and the gas phase partial pressure is the head space of the tank is 0.2E-7 atm. (not: henry's law constant for..
To determine the elevation of a point B from the elevation of a point A, which is 511.6 ft. When the transit was set up over the point A, the height of the transverse axis above that point was 4.92 ft.
A 4x4 carries an axial compressive force caused by dead, love, and roof live loads. Lumber is No. 1 Douglas Fir-Larch. Cm = 1.0 , Ct = 1.0, Ci = 1.0. The unbraced length of the member is 12 ft.
A bicyclist travels on a level path. The frontal area of the cyclist and the bicycle is 2.3 ft^2 and the drag coeffcient is 1.2. The specific weight of the air is .075lb/ft^3. How much horsepower (1hp=550ft*lb/s) does the cyclist need to produce to m..
A 30 feet column is braced at the mid-section to prevent premature failure. If the maximum load is 380 kips, select an appropriate W14 section, if any, to support the loading conditions.
A trapezoidal aqueduct (Fig. 10.7) has b= 5 m and 40 and carries a normal flow of 60 m3 /s of water when y= 3.2 m. For clay tile surfaces, estimate the required elevation drop in m/km.
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