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A stepping motor with 100 step angles is coupled to a leadscrew through a gear reduction of 9:1 (9 rotations of the motor for each rotation of the leadscrew). The leadscrew has 5 threads/in. The worktable driven by the leadscrew must move a distance = 10.00 in at a feed rate of 30.0 in/min. Determine
(a) number of pulses required to move the table, and
(b) the required motor speed and pulse rate to achieve the desired table speed.
Use these results to estimate the area of silicon solar cells required to satisfy the community power requirements. Write a short narrative discussing your assumptions and analysis.
the collecting panels of a solar boiler receive energy as heat at the rate of approximately 300 btuhr-ft2 of collecting
the table below gives physical properties for three types of fibers used to reinforce polymer resins to make pmc
An ocean thermal energy conversion system is being proposed for electric power generation. Such a system is based on the standard power cycle for which the working fluid is evaporated, passed through a turbine, and subsequently condensed.
What is a Newtonian fluid?Explain in detail with an example
Find the rms value of each of the following periodic currents:
An 80-mm × 40-mm rectangular beam is made of heat treated AISI 4340. On the tension side of the beam, a transverse crack of length 10 mm is discovered. Determine the magnitude of the bending moment M that will cause brittle fracture.
For a continuous and oriented fiber- reinforced composite, the moduli of elasticity in the longitudinal and transverse directions. Calculate the actual loads carried by both fiber and matrix phases.
What is the maximum shear strain (Ymax)xz in the xz plane? What is the maximum shear strain (Ymax)yz in the yz plane?
Describe the basics of the Carnot cycle of thermodynamics and it’s application to heat engines such as Diesel Engines and Gas Turbines. Describe the hot and cold sources in these prime movers
The temperature and heat flux are plotted assuming radial symmetry, that is, even though the sensors are on both sides of the center line, they are plotted from one side only. Discuss whether or not you feel this is a good assumption. If so, are ther..
calculate the percentage of cobalt in the original sample
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