Why does an electric motor require overcurrent protection?
What will be an ideal response?
An electric motor requires overcurrent protection, because it tries to power any load to which it is connected. For this reason, overcurrent protection must be provided that will prevent self-destruction of the motor and possible fire or an electrical shock hazard.
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To avoid flow problems for the circulating pump when all or most of two-way valves in a cooling circuit are shut, the _____.
a. valve seats include a weep path to maintain flow b. pump’s relief valve is used to recycle water c. pump is cycled on and off d. two-way valves don't fully shut
Should safety requirements be considered during the development process of a maintenance program? Why?
What will be an ideal response?
____________________, or "human factors engineering," has to do with designing products and environments that work well with people.
Fill in the blank(s) with the appropriate word(s).
The amount at which the ____________________ variable is changed by the final control element affects the condition ____________________ variable.
Fill in the blank(s) with the appropriate word(s).