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The transmission tower OA is being hoisted into position by the cables AB and AC. The resultant of the cable tensions P and Q, along with the 2400-lb weight of the tower, is a force R acting at point O. Determine P, Q, and R.
The concrete cylinder 6 in x 12 in broke incompression at a load of 110000 lbs. Compute the crushing strength of concrete. Estimate the tensile strength and the modulus ofelasticity.
A saturated sample of soil, 38mm in diameter and 75mm high, hasbeen prepared for a triaxial test. Total mass of the sample was measured as 144.6grams, and the initial moisture content determined at 25.2%. The Specific Gravity of thesolids was estimat..
Write a program that asks for the diameter of two different spheres. Then display to the user, the Maximum, Minimum, and Average volume of the spheres. Display this result in different lines of ONE message box by using VBCRLF.
Estimate the hydraulic conductivity of a similar soil with a porosity of 35% from the results of this test.
If the pipe is designed with a safety factor of two [i.e. the maximum stress in the field must be less than half the rated yield stress], what is the maximum depth that can be safely reached for drilling.
Explain why failure of this garden hose occurred near its end and why the tear occurred along its length. Use numerical values to explain your result. Assume the water pressure is 30 psi.
Determine the percent error n in replacing the sine and the tangent of an angle by the value of the angle in radians for angle values 5 degrees, 10 degrees, and 20 degrees. Explain the qualitative difference between the sine and tangent results.
In the assessment of an old building, a simply supported R.C. beam, with the section shown, spans 7m. The assessed loading is self weight + additional dead load of 12kN/m and live load of 10kN/m.
The drinking water standard for tetrachloroethylene is 0.005 mg/L. Using EPA exposure factors for residential consumption, what lifetime risk would this pose What concentration would correspond to a risk of 10-6
Determine a set of rectangular beam design values (b),( d) and (As) area of steel, that will be needed to support a factored bending moment (Mu=450 Kip-ft). Use (f'c=4,500 psi) and (fy=40,000 psi).
A 100% saturated soil has a wet unit weight of 112.8 lb/ft^3, and its water content is 42%. Find the void ratio and specific gravity of solids.
Consider a steam turbine power plant operating near critical pressure, as shown in Fig. P7.48. As a first approximation, it may be assumed that the turbine and the pump processes are reversible and adiabatic. Neglecting any changes in kinetic and ..
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