Welding cables made of aluminum wire must be ____ would be required for copper.
A. one size smaller than
B. the same size as
C. one size larger than
D. two sizes larger than
Answer: C
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When a subfeeder serves more than one panelboard, then connections must be made in the subfeeder for ____.
A. each panelboard B. every other panelboard C. each set of three panelboards D. each set of four panelboards
Where is an accumulator normally installed?
a. Suction line b. Liquid line c. Discharge line d. Condensate line
For the circuit in Fig. 6.70, calculate the value of R that will make the energy stored in the capacitor the same as that stored in the inductor under dc conditions.
Which LD instructions would you likely use to see if one number is equal to another?
A) Data comparison B) Timer/counter C) Relay D) Data transfer