In the above figure, the function of R12 is to __________.
A. control the speed at which the capacitor charges
B. control the voltage that develops on the top plate of the capacitor
C. both a and b
Answer: A
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This is a process in resistance welding where the base materials are clamped between two electrodes and a moment electric current produces the heat for welding at the contact location.
a. lap weld b. spot weld c. plug weld d. seam weld
The "approval" box identifies who checked the competed drawing.
Answer the following statement true (T) or false (F)
One set of service entrance conductors is permitted to supply __________ service disconnecting means instead of a single main disconnect.
a. two to four b. two to six c. three to six d. three to five
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