Which B vitamin is needed in body cell metabolism?
a. Riboflavin c. Folic acid
b. Niacin d. Thiamine
C
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To determine the number of lighting circuits, the lighting load of the residence must be calculated. The calculations are based on the ____________________ method outlined in the National Electrical Code ®.
Fill in the blank(s) with the appropriate word(s).
The first step in almost every welding operation is the ____________________ of the parts to be joined by welding.
Fill in the blank(s) with the appropriate word(s).
What is the instantaneous voltage (e) of an alternating electromotive force (emf) when it has reached 225° of the cycle? The maximum voltage (Emax) is 480.0 volts. Round the answer to the nearest tenth volt.
Fill in the blank(s) with the appropriate word(s).
In many cases, counters must be strobed in order to eliminate glitches
Indicate whether the statement is true or false