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1.If the resultant of the 1000 lb vertical force and the tensile force T in the cable is to be in the direction of the boom OB, what must be the magnitude of T?
2.The crane hoists a uniformly distributed load C. the two identical motors at A an power through gearboxes operating at maximum output speed of 100 rpm.the load is lifted by winding cable onto spindles attached to the output shaft of each gear box. The spindles both have the same diameter, d. What would the spindle diameter need to be in order to move with a velocity of 1 m/s?
The temperature of the gas remains constant during the process. determine A.) the amount of heat transfer, B.) the final pressure in the cylinder, and C.) the distance that the piston is displayed.
Successive plus and minus sights taken on a downhil line of levels are listed below. the values represent the horizontal distances between the instrument and either the plus or minus sights.
write a c++ code for two classes one being automobile and one being motorcycle both being the base class then at least one derived class from each
A bus line 4 miles long runs through an area with 1/6 acre lots,3.5 people per household, average 1 car per household. People willwalk up to 1/6 mile to a bus stop, so stops are located 1/3 mileapart along the route. Say commuters will tolerate 20 mi..
A perfectly mixed aeration pond with no recycle (return line) serves as the biological reactor for a small community. The pond receives 30 cubic meters/day of influent with a BOD5 of 350 mg/L that must be reduced to 20 mg/L before discharge.
Under these conditions flow is expected to be turbulent, but for a clean air, very smooth enterance (with guided vanes) to the tube and no tube vibration, it may be possible to maintain laminar flow.
Nitrogen expands in a friction-less piston-cylinder device from 0.10 to 0.30 m^3. The process is described by P= 7.4 - 40v + 60v^2 , where P is in bars and V is in cubic meters. Determine the work in kJ.
The potentiometric surface elevations at two observation wells 1000 m apart are 52.35 m and 56.90 m. If the horizontal hydraulic conductivity of the auquifer is 25 m/ day determine the flow rate per unit width of the auquifer.
The thermal conductivity of a single-crystal ceramic specimen is slightly greater than a polycrystalline one of the same material. Why is this so?
What is the dry unit weight, the saturated unit weight, and the buoyant unit weight, of a soil having a ratio of 0.5 and a value of Gs of 2.7
For a design storm specified for an urban area in Tennessee, the depth of rainfall is 2.5 inches (6.35 cm). Initial abstraction in depressions on the pervious and impervious areas was estimated at 0.5 inches (1.27 cm). Infiltration was estimated as 1..
A 1.5 meter deep vertical wall trench is to be cut in a soil whose unit weight is 17.36 kN/cubic meters, angle of internal friction is 25 degrees, and cohesion is 20.6 kN/square meters. Determine the factor of safety of this trench by the Culmann Met..
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