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In a constant-pressure process, steam at a 100 psia is presented to the piston of a pump and causes it to travel 3 in. If the cross-sectional area of the piston is 5 in^2, how much work was done by the steam on the piston?
In the gear-and-shaft system shown, the shaft diameters are dab= 2 in. and dcd=1.5 in. Knowing that G = 11.2 x10^6 psi, determine the angle through which end d of shaft cd rotates.
a heat engine operates in a carnot cycle between72.0degc and345degc. it absorbs21600j of energy per cycle from the hot
the concrete slab of a basement is 11 m long 8 m wide and 0.20m thick. during the winter temperatures are nominally 17
Calculate the maximum bending stress at mid-span, and, for the same section, locate the neutral axis. Neglect the weight of the beam
During the process, the pressure and specific volume are related by pv = constant. For the refrigerant, determine the work and heat transfer per unit mass, each in KJ/kg.
a nucleus has 4 excited states at 0.123 mev 0.216 mev 0.401 and 0.555 mev above the ground state. if all transitions
natural gas at 70 f and standard atmospheric pressure of 14.7 psi is compressed isentropically to a new absolute
if coal that has 2.25 sulfur and a heat content of 13000 btulb is burned in a 40 efficient 400-mw plant estimate the
the automobile has a speed of 80 fts at point a and anacceleration a having a magnitude of 10fts2 acting in the
the piston has a mass of 4kg and cross-sectional area of 35cm^2. A compressed spring above the piston exerts a force of 60N on the piston. if the atmospheric pressure is 95kPa, determine the pressure inside the cylinder.
Design a bridge that will withstand 4 fully loaded semi-trailers
a 75-lb stoplight is suspended between two poles as shown in fignbspp3-27. neglect the weight of the flexible cables
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