ME 360 Midterm: ME 360 Alabama Test3 Fall01
Document Summary
Short answer questions - use the space provided for written answers: [4pt] list the steps required to determine the accuracy limits of the calibration equation for a load. Assume that you have a pre-wired load cell, a scale, and several large pieces of steel: [4pt] what is an lvdt and what is it used for, [4pt] describe the operation of an absolute encoder. Over: [4pt] describe two ways to measure the rotational speed of a shaft that are suitable for computerized data acquisition (i. e. no human operator). Both words and sketches should be used: [6pt] as applied to electric motors, what do the following terms mean? (give a definition of the term, an explanation, and/or a sketch as needed). Define 3 of these 5 terms: pwm, half-step, nema, slip, rectifier. Closed book, closed notes, one 8. 5 by 11 inch hand-written formula sheet allowed.
