A float switch is used when a pump motor must be started and stopped according to changes in the ____ in a tank or sump.
a. mercury level
b. Bourdon
c. water pressure
d. liquid level
d. liquid level
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Refer to the accompanying figure. When starting the DC motor, as the ____________________ builds across the armature, it acts like a resistor that drops a larger percentage of the applied voltage, thus providing a voltage drop for the A coil and the A contacts 3–4 close to bypass current around the starting resistor.
Fill in the blank(s) with the appropriate word(s).
Magnetic strength can be expressed in ____________________ for a given core material.
Fill in the blank(s) with the appropriate word(s).
Sugar gliders have 40-46 teeth, including the two ____________________ that are large and protrude forward
Fill in the blank(s) with correct word
Which of the following are permitted as a rod or pipe grounding electrode if 8 ft in length?
A. 3?4-in. galvanized water pipe B. 5?8-in. galvanized ground rod C. 1?2-in. listed copper clad ground rod D. All of the above