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The boom DF of the jib crane and the column DE have a uniform weight of 50 lb>ft. If the hoist and load weigh 300 lb, determine the resultant internal loadings in the crane on cross sections through points A , B , and C .
Determine the deflection of a simple uniformly loaded beam by the Ritz method,using first one term, then two terms, adn finally three terms in a sine series. Why does the coefficient of sin2piex/L vanish?
A flocculation basin equipped with revolving paddles is 60 ft long (the direction of flow). 45 ft wide, and 14 ft deep and treats 10 mgd. The power input to provide paddle-blade velocities of 1.0 and 1.4 fps for the inner and outer blades,
Gas is flowing in a long 9-in-diameter pipe from A to B. At sectionA the flow is 0.65 lb/sec while at the same instant at section Bthe flow is 0.72 lb/sec. The distance between A and B is 750 ft.
Determine the surface area of a primary settling tank sized to be handle a maximum hourly flow of 0.570 m3/s at an overflow rate of 60 m/day.If the effective tank depth is 3.0 m
the present worth of an increasing geometric gradient is $23,632. The interest rate is 10% per year, and the rate of change is 4% per year. If the cash flow amount in year 1 is $3000
a bearing wall carries a dead load of 120kn/m and live load of 100 kn/m. It is to be supported on a 400mm deep continuous footing underlain by a medium sand (unit weight = 19.2 kn/m3, phi= 37 deg, effective c = 0).
The system is released from rest with no slack in the cable and the spring stretched 120 mm. The coefficient of kinetic friction between the 10 kg cart is 0.25 and the mass of block m is 6.3 kg.
150,000 mol of aqueous phosphoric acid (H3PO4) solution contains 5.00% H3PO4 by moles. The solution is concentrated by adding pure H3PO4 at a rate of 20.0 L/min.
Suppose that an observer knows that his vehicle detector turns on and off before the vehicle has completely crossed the detector. From experimental calibration of the instrument he has verified that the true length of a vehicle lj is always ? larger ..
Measure the horizontal distance lengths of traverse legs using pacing, surveyor's tape and total station - familiarise with the use of GPS to measure coordinates and other computations (i.e. Slope and horizontal distances, area, perimeters etc.)
The base line vector between the base and roving reciever is 8340m and has an accuracy of +/-(1to 2 cm +/-2ppm). What is the estimated uncertainty in the length of this vector
The modulus of elasticity of an un-identified metal is known to be 3000 ksi. An engineer has to design a rod with a fixed diameter to carry a load, P, and wishes to keep the deformations in the rod to a minimum.
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