Which of the following is NOT true of magnetic fields?
A. unlike poles attract
B. flux lines exit from the north pole
C. flux lines enter the south pole
D. flux density is lowest at the poles
Answer: D
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Technician A says that a higher CCA battery always has a higher open circuit voltage than a lower CCA battery. Technician B says that the reserve capacity rating of a battery indicates the exact length of time a truck can be driven with a failed charging system. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
The chemical composition of contacts is such that they operate at cool temperatures of up to ____________________% of their current-carrying capacity.
Fill in the blank(s) with the appropriate word(s).
A louvered grille in the room receives the air and channels it into a duct that carries it to the roof, where a fan exhausts it to the outside.
Answer the following statement true (T) or false (F)
A green home is painted green and is more comfortable for the occupants.
Answer the following statement true (T) or false (F)