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1. A mason stretches a string between two points 50 ft apart on the same level with a tension of 10 lb at each end. If the string weighs 0.1 lb, determine the sag h at the middle of the string.
2. The Golden Gate Bridge in San Francisco has a main span of 4200 ft, a sag of 470 ft, and a total static loading of 21,300 lb per lineal foot of horizontal measurement. The weight of both of the main cables is included in this figure and is assumed to be uniformly distributed along the horizontal.
A power tug is towing a barge with a cable which has a mass of 14 kg per meter of its length. It is observed that the tangent to the cable at point A is horizontal. Determine the tensions at A and B.
Suppose that you measured the product PV of 1 mol of a dilute gas and found tha PV = 24.35 L atm at 0.00°C and 33.54 L atm at 100.°C. Assume that the ideal gas law is valid,
A circular flat plate of diameter 120 mm and thickness 10 mm is constructed from steel with E = 208 GN/m2 and v = 0.3. If the plate is clamped at the edges determine the maxim
It supports a vertical axial compressive load of 7000 lb on top and a horizontal load of 1000 lb at a point 3 ft below the top. Compute the maximum and minimum combined stre
Consider a 210 MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters the turbine at 10 MPa and 500o C and is cooled in the condenser to a pressure o
Refrigerant 134a enters the compressor of an ideal vapor-compression refrigeration cycle as saturated vapor at 2108F. The condenser pressure is 160 lbf/in.2
A witch lifts her cauldron of boiling liquid with a pulley system. Once the cauldron is lifted, liquid issues from two identical holes of cross-sectional area 2,000 mm2 (each)
Assuming that the jet accelerates the air to a speed vrel relative to the jet's center of mass G, draw a control volume and find an expression for the thrust produced by the e
Water enters a pump at 120 kPa and 25 C degree at a rate of 1.5 kg/sec and leaves at 4 MPa . The pump has an efficiency of 75% . Determine The actual power input in KW. The en
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