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Hot exhaust gases leaving an internal combustion engine at 400oC and 150 kPa at a rate of 0.8 kg/s is to be used to produce saturated steam at 200oC in an insulated exchanger. Water enters the heat exchanger at the ambient temperature of 20oC, and the exhaust gases leave the heat exchanger at 350oC. Determine (a) the rate of steam production, (b) the rate of exergy destruction in the heat exchanger, and (c) the second-law efficiency of the heat exchanger.
a construction crew lifts about 560 lb of material serveral times during the day from a flatbed truck to a 32 foot
water flows 2m deep at 2ms in a rectangular channel. find the change in depth and in water surface elevation caused by
a 15-hp shaft pump is used to raise water to a 45-m higher elevation.if the mechanical efficiency of the pump is 82
a ten-station rotary indexing machine performs nine machining operations at nine workstations and the tenth station is
the 20 mm diameter steel rod bc is attached to the lever ab and to the fixed support c shown in fig 9. the uniform
The uniform rectangular plate is released from rest in the position shown. Determine the maximum angular velocity during the ensuing motion. Friction at the pivot is negligible.
Beryllium has an HCP unit cell for which the ratio of the lattice parameters c/a is 1.568. If the radius of the Be atom is 0.1143 nm, (a) determine the unit cell volume, and (b) calculate the theoretical density of Be.
for a spinning solid circular disk of radius a and constant thickness the maximum stresses occur at thenbspcenter of
air modeled as an ideal gas enters a steady state adiabatic turbine at 1200 k and exits at 100 kpa 700 k. the
Write a literature review and the title is "the effect of fluid cooling on the performance of building integrated photovoltaic thermal systems. Using some BIPVT prototypes measure their thermal and electrical output and dtermine their effectiveness"
a pistoncylinder .5 kg steel altogether maintaining a constant pressure has .2 kg r134a as saturated vapor at 150 kpa.
How do I find the factor of safety using the distortion energy failure theory?
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