17.a. When the speed of a machine is the same as that of the driving motor, the easiest method of connecting the machine and the motor is with A. chains. B. coupling. C. belts. D. gears. 17.b....

17.a. When the speed of a machine is the same as that of the driving motor, the easiest method of connecting
the machine and the motor is with
A. chains.
B. coupling.
C. belts.
D. gears.
17.b. Regenerative braking is used on induction motors to
A. decrease the speed below synchronous speed.
B. decrease the actual speed to the value of synchronous speed.
C. increase the speed above synchronous speed
D. increase the actual speed to the value of synchronous speed