ATT Week 12 (FC) All Solved.

Rigidity is determined by what three factors? correct answers Rotor shape, rotor weight, and rotor speed. Any machine that has a spinning or rotating shaft and uses electricity as the input or output is ______________. correct answers Rotating Machinery What are the two categories of rotating machinery? correct answers Motor and generator. A __________ uses an electrical input and converts it to a rotating mechanical output. correct answers motor A __________ uses a rotating mechanical input and convert it to an electrical output. correct answers generator What is the term for voltage produced in a motor that opposes the applied voltage? correct answers CMEF What type incremental motor uses digital pulses? correct answers Stepper What type of incremental motor uses specific magnitudes of voltage? correct answers Analog __________ is best described as a twisting action. correct answers Torque Torque is the highest in a __________ condition. correct answers locked Horsepower is the power rate corresponding to the rate of conversion of ___________ per min or ___________ per sec correct answers 33,000 ft-Ib; 550 ft-Ib/sec What is another metric (not Ft-lb) used to measure torque? correct answers Newton meter RPM and CEMF are _____________ to each other, and ____________________ to torque and load. correct answers proportional; inversely proportional If RPM increases, what happens to generator output voltage? correct answers Increases. In a motor, if applied voltage decreases, what happens to RPM? correct answers Decreases. Motors operate on the principles of magnetism that have to do with ____________________. correct answers attraction and repulsion DC generators operate on the principle of magnetism that has to do with _________________________ to produce voltage. correct answers passing a conductor through a magnetic field