ATT WEEK 12 (FC) EXAM QUESTIONS AND COMPLETE SOLUTIONS 2025

ATT WEEK 12 (FC) EXAM QUESTIONS
AND COMPLETE SOLUTIONS 2025

, Rigidity is determined by what three factors? - ANSWERSRotor shape, rotor weight,
and rotor speed.

Any machine that has a spinning or rotating shaft and uses electricity as the input or
output is ______________. - ANSWERSRotating Machinery

What are the two categories of rotating machinery? - ANSWERSMotor and generator.

A __________ uses an electrical input and converts it to a rotating mechanical output. -
ANSWERSmotor

A __________ uses a rotating mechanical input and convert it to an electrical output. -
ANSWERSgenerator

What is the term for voltage produced in a motor that opposes the applied voltage? -
ANSWERSCMEF

What type incremental motor uses digital pulses? - ANSWERSStepper

What type of incremental motor uses specific magnitudes of voltage? -
ANSWERSAnalog

__________ is best described as a twisting action. - ANSWERSTorque

Torque is the highest in a __________ condition. - ANSWERSlocked

Horsepower is the power rate corresponding to the rate of conversion of ___________
per min or ___________ per sec - ANSWERS33,000 ft-Ib; 550 ft-Ib/sec

What is another metric (not Ft-lb) used to measure torque? - ANSWERSNewton meter

RPM and CEMF are _____________ to each other, and ____________________ to
torque and load. - ANSWERSproportional; inversely proportional

If RPM increases, what happens to generator output voltage? - ANSWERSIncreases.

In a motor, if applied voltage decreases, what happens to RPM? -
ANSWERSDecreases.

Motors operate on the principles of magnetism that have to do with
____________________. - ANSWERSattraction and repulsion