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A solar concentrating heat exchanger system directs sunlight onto a large, straight pipe. The pipe receives 153.616 Btu/h per foot of length. If water enters the pipe at 50.0 lbm/h as saturated liquid at 300°F and is heated isothermally so that it leaves as vapor at 20.0 psia, then:
a. How long is the pipe for steady state, steady flow conditions?b. What is the rate of entropy production?c. Show whether this system violates the second law of thermodynamics.
A paper clip is made of wire 0.7 mm in diameter. If the original material from which the wire is made is a rod 25 mm in diameter, calculate the longitudinal engineering strain and true strain that the wire has undergone during processing.
hi i study in university in greece...i need your help until tomorrow for a mechanical draw.. ltbrgti must draw the
during january at a location in alaska winds at -23degf can be observed. several meters below ground the temperature
the distance required to stop an automobile consists of both thinking and braking components each of which is a
a bending test is used on an experimental cemented carbide material. based on previous testing of the material its
Assume a diffusion coefficient of 1 × 10-8 m2/s, that the concentrations at the high- and low-pressure sides of the plate are 2.4 and 0.6 kg of hydrogen per cubic meter of palladium, and that steady-state conditions have been attained.
Determine an equation for the efficiency of the gear train in terms of the load (torque) on shaft 2 (all other factors remaining constant).
you are on a date. your date runs out of gas unexpectedly. you come to your own rescue by siphoning gas from another
a woman with wieght 637n lies on a bed of nails. the bed has a weight of 735n and a lenght of 1.72m. the bed is held up
the inlet velocity pressure and temperature at the compressor for a turbo-jet engine are 275 feet per second 7 psia and
Determine the magnitude of tensile force and corresponding normal stress of a wire A 28-ft length of 0.25-in
Prepare a Journal paper on Renewable Energy
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