A ground test utilizing an auxiliary current electrode and an auxiliary potential electrode is known as the _____.
a. one-point test
b. three-point test
c. six-point test
d. ten-point test
b. three-point test
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Concrete that has hardened but not yet gained structural strength, is referred to as _____.
a. raw b. green c. uncured d. unstable
For a straight pull, the minimum length for a pull box with two 1" conduits and one 4" conduit on one wall and two 1" conduits and one 4" conduit entering the opposite wall is _____. (Assume the conductor size is No. 4 AWG or larger, but operating at less than 600V.)
a. 24" b. 26" c. 32" d. 34
What is the range of MERV ratings?
A) From 1 to 20, with 1 representing the highest efficiency B) High, medium, and low efficiency C) From 0% to 99% D) From 1 to 20, with 20 representing the highest efficiency
The ____ of a pump can be found by dividing the theoretical displacement (manufacturer's rating) into the actual displacement.
A. flow rate B. capacity C. operating pressure D. volumetric efficiency