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Engineering · Electrical Engineering
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9. You want to make sure that two alternators are operating properly in parallel. Which of the following

readings should be the same for each of the two machines?

A. Wattmeter readings C. Current readings

B. Power-factor readings D. True power readings

10. How can the voltage at the terminals of an alternator be doubled?

A. By cutting the strength of the magnetic field in half

B. By doubling the turns of wire in the coils

C. By cutting the speed of the machine in half

D. By doubling the size of the coil wires

11. For the alternator part shown below, the electromagnets get a direct current from

A. a ballast ring. C. an impulse turbine.

B. a yoke. D. an exciter.

12. A 36-pole alternator will generate how many cycles of AC voltage during one revolution of the

alternator?

A. 6    C. 18

B. 9    D. 36

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