Lesson 1. Function and Construction of Gasoline Fuel Systems

Principles of Gasoline And Disesel Fuel Systems
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TASK 1.

Describe the characteristics of gasoline.

CONDITIONS

Within a selfstudy environment and given the subcourse text, without

assistance.

STANDARDS

Within one hour

REFERENCES

No supplementary references are needed for this task.

Introduction

Petroleum is the most common source of fuel for modern internal combustion

engines. It contains two important elements: carbon and hydrogen. These

elements are mixed in proportions such that allow them to burn freely in air

and liberate heat energy. Petroleum contains a tremendous amount of

potential energy. In comparison to dynamite, a gallon of gasoline has six

times as much potential energy. Gasoline is the most widely used petroleum

based engine fuel.

Two advantages of the use of gasoline are a better rate of burning and easy

vaporization to give quick starting in cold weather. The major

characteristics of gasoline that affect engine operation are volatility,

purity, and antiknock quality (octane rating). In this lesson, the function

and construction of gasoline fuel systems will be discussed. This first

task will center on the specific characteristics of gasoline.