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Practice Questions - Section 2

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 2 - Prime Movers

33. BMEP is:

a. A measure of engine efficiency
b. A measure of energy
c. The British Thermal Units (Btu’s) required to get electrical power from mechanical power
d. Number of cycles per second generated by an alternator based on RPM

34. If 2 complete revolutions of the crankshaft are required to complete the power cycle of an engine,
what type engine is it?

a. 2-Stroke
b. 4-Stroke
c. 6-Stroke
d. Cannot be determined without knowing the number of cylinders

35. The ratio of maximum cylinder volume to minimum cylinder volume is know as:

a. Avagodro’s number
b. Bernoulli’s Principle
c. Compression Ratio
d. Engine displacement

36. Complete this sentence using the choices below: “___1___engines have a higher compression
than___2___engines.

a. 1. Propane, 2. diesel
b. 1. Propane, 2. gasoline
c. 1. Diesel, 2. gasoline
d. 1. Natural gas, 2. Diesel

37. Which of the following does not require a spark to ignite in a prime mover?

a. Natural gas
b. Diesel
c. Propane
d. Gasoline

EGSA Apprentice Certification Program Study Guide - Page 16