Compound motors generally employ a field loss relay (FLR) that is intended to disconnect the motor from the power line in the event that shunt field current should be interrupted or drop below an acceptable level.
Answer the following statement true (T) or false (F)
True
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Sometimes called the ____, the portable electric circular saw is used by the carpenter more than any other portable power tool.
a.Skilsaw b.hacksaw c.ripsaw d.coping saw
It is not very important to know the actual purpose of the landscape because there are many other more important factors that should be considered when preparing a landscape plan
Indicate whether the statement is true or false
Shading greatly affects a PV array’s performance and as a general rule a PV array should be free of shade from ___________.
a. 6:00 am to 9:00 pm b. 10:00 am to 2:00 pm c. 9:00 am to 3:00 pm d. 5:00 am to 5:00 pm
A refrigerant's safety rating is a combination of the toxicity letter and the:
A) Freezing point. B) Oxygen saturation. C) Flammability number. D) Pressure rating.