A Porta-Power® is an example of a(n) _____
a. electric tool
b. pneumatic tool
c. hydraulic tool
d. battery-powered tool
c
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Concrete can be appropriately cured by which of the following methods?
A. Using fans to dry the concrete B. Freezing the concrete C. Covering the concrete with dry portland cement D. Spraying water onto the concrete
List and describe four or more important functions of the atmosphere
What will be an ideal response?
When installing an overhead service, __________ feet of conductor should stick out of the weatherhead for the formation of a drip loop.
a. 1 b. 1.5 c. 2 d. 3
A three-phase, four-wire system that has the advantage of providing three-phase power and allowing lighting to be connected between any of the secondary phases and the neutral would have a(n) _____.
a. delta secondary b. wye secondary c. open delta secondary d. wild leg secondary