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Select the most economical (lightest) structural steel W-shape beam to carry the superimposed loads shown.
Draw the shear and moment diagrams. Assume A992 steel ( F y =50 ksi ) and complete fixity at each end with supports on the same level.
discuss how the steam power plant steam engine rankine cycle can control the speed of the vehicle during acceleration
A dockworker applies a constant horizontal force of 71.0 to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 11.5 in a time 5.00 . what is the mass of the ice block?
Calculate the maximum bending stress and the maximum horizontal shear stress using the general shear formula.
a cylinder containing 0.9 kg of ammonia has an externally loaded piston. initially the ammonia is at 2 mpa 180degc and
a 6.2 mg sample of 90sr half-life 29.12 y is in secular equilibrium with its daughter 90y half-life 64.0 h. a how many
mechanical vibrations a helical spring of stiffness k is cut into two halves and a mass m is connected to be 0.5 s. if
Calculate the shear and bending moment at points 2 m and 3.5 m from the left end of the beam shown. Use free-body diagrams.
A cantilever beam AB supports a uniform load of intensity q acting over part of the span and a concentrated load P acting at the free end, as shown. Determine the deflection and slope at end B of the beam. The beam has length L and constant flexur..
a rigid well insulated container contains 10 kg of water. a motor connected to a paddle wheel is used to stir the water
a simple turbojet is operating with a compressor pressure ratio of 8.0 a turbine inlet temperature of 1200 k and a mass
1 kg of air is polytropically compressed reversibly from 5 bar to 10 bar from an initial temperature of 300oC. Find the transferred heat and the change in entropy. Take the polytropic index as 1.25.
Masses P and Q are attached by a massless rigid rod to form a dumbbell, as shown in Figure 6.34. The dumbbell is tossed in the presence of gravity so that the masses may spin about the center of mass G. Show that the trajectory of the center of ma..
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