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A -7.5% grade meets a 5% grade at a vertex whose elevation is 146.24m. directly under an overpass bridge whose underside is at elevation 152.74m. and carries another road across the grades at right angles.
a. What is the longest symmetrical parabolic curve that can be used to connect the two grades? Provide at least 5m clearance from the bridge at its centerline
b. If the underside of the bridge is level and is 12m. wide, Find the actual clearance on the left edge of the bridge.
Water at 120 0C with a quality of 25 % has itstemperature raised 20 0C in a constant volumeprocess. What is the new quality and pressure? Draw P-vand T-s diagrams
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For an SO2 emission rate of 22,000 kg/day and an exhaust gas flow rate of 5.0 million m^3/hour(after the scrubber) measured at 150 C and 1atm pressure, calculate the concentration of SO2 in the exhaust gases(ppm).
A relatively unfit worker with resting heart rate of 80 beats/min starts his job of palletizing boxes. At the morning break, an industrial engineer quickly measures the worker’s
Calculate the magnitude and show the location of the maximum compressive and tensile normal stresses on the cross-section and calculate the maximum magnitude of the internal bending moment
A solid cylindrical conductor is supported by insulating disks on the axis of a conducting tube with outer radius R_a = 5.75cm and inner radius R_b = 5.05cm . The central conductor and the conducting tube carry equal currents of
A glass tube with inside diameter of 2-mm is inserted vertically into a dish of mercury at 20°C. Determine the difference in mercury levels inside and outside the tube.
The rain¬fall amounts at three adjacent stations A, B, and C were 4.2, 3.7, and 4.9 in., respectively. The average annual precipitation amounts for the gauges are X = 36.5, A = 42.1, B = 37.1, and C = 39.8 inches.
Show that all diagonal members of the truss carry the same force, and find the magnitude of this force.
Calculate deformation of the truncated equilateral triangular steel pyramid. The pyramid has the height h of 156mm truncated at the top by 2mm and the base side s of 127mm.
If a mass of 500kg is placed centrally on the top face of the buoy, find the maximum height of its centre of gravity above the bottom of the buoy so that the buoy may remain in stable equilibrium.
A solid cube with a side length of 0.4 ft and a weight of 110 lb slides down a smooth surface that is inclined at 45 degrees to the horizontal. The block slides on a film of oil with a viscosity of 1.85 x 10-2 lb-s/ft2. If the velocity of the block i..
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