Engineering, 07.09.2021 17:30 karlyisaunicorn
At noon on a cloud-free summer day, sunlight intensities at the Earth’s surface
are nearly always less than 940 W/m2 (0.12 hp/ft2
).
(a) At this intensity, if the solar collector and electric motor could convert 10%
of the collected solar energy to mechanical power, how large a collector would
be required on a tractor to supply 100 kW (134 hp) of mechanical power?
(b) If the length of the collector was twice its width, what would be the
dimensions of the collector?
Answers: 2
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Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.
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The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
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Journeyman training is usually related (clo2) a)-to specific tasks b)-to cost analysis of maintenance task c)-to control process to ensure quality d)-to installation of machinery
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Engineering, 04.07.2019 18:10
Machinery that is a key part of the process and without which the plant or process cannot function is classifed as: (clo4) a)-critical machinery b)-essential machinery c)-general purpose machinery d)-none of the specified options.
Answers: 1
At noon on a cloud-free summer day, sunlight intensities at the Earth’s surface
are nearly always...
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