The National Electrical Code® is sponsored by ________.
A. State Board of Electricity
B. National Fire Protection Agency
C. National Electrical Contractors Association
D. North Central Electrical League
B. National Fire Protection Agency
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____ contact control devices change states when acted upon, but then return to their original state when released.
a. Standard b. Momentary c. Magnetic d. Pushbutton
___ occurs when a nut or pipe is deformed out of round by the force being applied to it by a wrench.? ?
A. Galling? B. Tightening? C. Stripping? D. Warping?
It should be noted that in a parallel circuit, the total resistance is ____ the lowest resistance in the circuit.
A. equal to B. sometimes less than and sometimes greater than C. always greater than D. always less than
Which of the following logic families has the best noise immunity?
A) ALS B) HCMOS C) TTL D) DTL