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Practice Questions - Section 7

Instructions:
The following questions are designed to give you the opportunity to practice for the EGSA Electrical
Generator Service Technician Certification exam and to determine areas where you may need study
and review.
Once you have taken the practice questions, you can check your answers using a separate document
from the ESGA Study Guide. This document contains explanations for most of the correct and in-
correct answers. Task links are also provided with each question. These links direct you to specific
category and task areas. From there, you can locate the text to use for reference on your specific area
of need.

Section 7 - Voltage

158. A generator’s voltage level is determined by what part of the generator?

a. Engine governor
b. Output power of the prime mover
c. Voltage regulator
d. Number of KW the generator is rated for

159. The basic inputs and outputs of a voltage regulator include: Power input, voltage sensing, and
Droop CT. What are the two remaining inputs or outputs?

a. Current control, exciter output
b. Exciter output, remote adjust
c. Diode control, remote sensing
d. Diode control, exciter output

160. Which of the following are adjustments on voltage regulators?

a. Droop level
b. Stability
c. Gain
d. All of the above

161. Droop adjustment on a voltage regulator requires it to be under which type of load?

a. Resistive
b. Inductive
c. Capacitive
d. No-load

162. Voltage regulators are not used on which type of generators?

a. Self-excited generators
b. Induction generators
c. Brush type generators
d. All generators must use voltage regulators for safety purposes

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