13. A single alternator isn't operating properly. Your first step in shutting down this single alternator is to
A. shut down the prime mover. C. open all of the feeder switches.
B. reduce the output voltage of the alternator. D. open the field switch of the alternator
14. What is the typical rating of exciter voltage?
A. 25 V C. 125 V
B. 50 V D. 400 V
15. What type of rotors will an engine alternator usually have?
A. Salient-pole rotors with horizontal shafts C. Cylindrical rotors with horizontal shafts
B. Salient-pole rotors with vertical shafts D. Cylindrical rotors with vertical shafts
16. Which one of the following voltages is not a typical alternator voltage?
A. 125 VAC C. 4300 VAC
B. 460 VAC D. 13,800 VAC