ATT Week 12 (FC)
Rigidity is determined by what three factors? - Answer-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
______________. - Answer-Rotating Machinery
What are the two categories of rotating machinery? - Answer-Motor and generator.
A __________ uses an electrical input and converts it to a rotating mechanical output. - Answer-motor
A __________ uses a rotating mechanical input and convert it to an electrical output. - Answer-
generator
What is the term for voltage produced in a motor that opposes the applied voltage? - Answer-CMEF
What type incremental motor uses digital pulses? - Answer-Stepper
What type of incremental motor uses specific magnitudes of voltage? - Answer-Analog
__________ is best described as a twisting action. - Answer-Torque
, Torque is the highest in a __________ condition. - Answer-locked
Horsepower is the power rate corresponding to the rate of conversion of ___________ per min or
___________ per sec - Answer-33,000 ft-Ib; 550 ft-Ib/sec
What is another metric (not Ft-lb) used to measure torque? - Answer-Newton meter
RPM and CEMF are _____________ to each other, and ____________________ to torque and load. -
Answer-proportional; inversely proportional
If RPM increases, what happens to generator output voltage? - Answer-Increases.
In a motor, if applied voltage decreases, what happens to RPM? - Answer-Decreases.
Motors operate on the principles of magnetism that have to do with ____________________. - Answer-
attraction and repulsion
DC generators operate on the principle of magnetism that has to do with _________________________
to produce voltage. - Answer-passing a conductor through a magnetic field
What type of power do generators produce? - Answer-AC or DC
If power in = power out, how efficient is said motor/generator? - Answer-100%
How is efficiency calculated? - Answer-Pout/Pin x 100
Rigidity is determined by what three factors? - Answer-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
______________. - Answer-Rotating Machinery
What are the two categories of rotating machinery? - Answer-Motor and generator.
A __________ uses an electrical input and converts it to a rotating mechanical output. - Answer-motor
A __________ uses a rotating mechanical input and convert it to an electrical output. - Answer-
generator
What is the term for voltage produced in a motor that opposes the applied voltage? - Answer-CMEF
What type incremental motor uses digital pulses? - Answer-Stepper
What type of incremental motor uses specific magnitudes of voltage? - Answer-Analog
__________ is best described as a twisting action. - Answer-Torque
, Torque is the highest in a __________ condition. - Answer-locked
Horsepower is the power rate corresponding to the rate of conversion of ___________ per min or
___________ per sec - Answer-33,000 ft-Ib; 550 ft-Ib/sec
What is another metric (not Ft-lb) used to measure torque? - Answer-Newton meter
RPM and CEMF are _____________ to each other, and ____________________ to torque and load. -
Answer-proportional; inversely proportional
If RPM increases, what happens to generator output voltage? - Answer-Increases.
In a motor, if applied voltage decreases, what happens to RPM? - Answer-Decreases.
Motors operate on the principles of magnetism that have to do with ____________________. - Answer-
attraction and repulsion
DC generators operate on the principle of magnetism that has to do with _________________________
to produce voltage. - Answer-passing a conductor through a magnetic field
What type of power do generators produce? - Answer-AC or DC
If power in = power out, how efficient is said motor/generator? - Answer-100%
How is efficiency calculated? - Answer-Pout/Pin x 100
