Discussion
An individual electric drive is one in which
Answer: D
Correct answer: a single motor drives a single machine
An individual drive gives each machine its own motor, which is the arrangement almost universal today. The group drive, in which one motor turned a line shaft and belted several machines, wasted power, made the shop dangerous and stopped everything when the motor failed. The multi-motor drive is the third case, in which several motors drive different parts of one machine in coordination - a rolling mill or a paper machine.
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