Which type of motor braking is often used with AC motors being controlled by a variable frequency drive?
a. DC electric
b. Friction
c. Dynamic
d. Electromechanical
c
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Where persons are required to work or pass under the scaffold, scaffolds shall be provided with a screen between the toeboard and the guardrail.
Answer the following statement true (T) or false (F)
?Which of the following is a way of forming raw metal into a usable material?
A. ?forging B. ?casting C. ?rolling D. ?All of the above
Which of the following is an INACCURATE statement of what we know about organization change?
a. It can involve virtually anything about an organization. b. Failure to respond to the need for change is a primary reason for organizational failure. c. Change in response to things as they happen is the preferred method of change. d. Most companies have to implement one or more major changes every four to five years. e. Most companies must implement some form of change every year.
Tagging is the shearing of wool around the dock and vulva of ewes just before the breeding season to improve conception rate.
Answer the following statement true (T) or false (F)