Home

Small Engines PAC Objectives

15-Activity ID #989

Activity 1

1-1. Test your pre-existing knowledge of the course material.

1-2. Define the term "small engines."

1-3. Contrast internal and external combustion engines.

1-4. Identify the characteristics by which engines are classified.

1-5. Recognize innovations throughout history that have led to the development of today’s small engines.

1-6. Apply knowledge of engine classifications to engines you utilize frequently.

2-1. Identify important parts of a small engine.

2-2. Describe how four-stroke cycle engines operate.

2-3. Determine how two-stroke cycle engines operate.

2-4. Explore various careers that utilize or are associated with small engines.

2-5. Discuss the environmental impact of two-stroke cycle engines as opposed to four-stroke cycle engines.

3-1. Define safety and outline common safety practices in a machine shop environment.

3-2. Evaluate common causes of injury.

3-3. Recognize safety and focal colors and their roles in shop safety.

3-4. Describe the fire triangle.

3-5. Define the classes of fires and fire extinguishers.

3-6. Identify energy conversion principles and terms associated with small engines.

3-7. Consider the presence of safety precautions in settings outside the machine shop.

4-1. Determine the importance of and potential problems that can develop in a small engine’s compression system.

4-2. Identify the functions and parts of a small engine’s valving system.

4-3. Explain how and why valve systems fail.

4-4. Review proper valve maintenance and repair.

4-5. Test the compression of a small engine.

4-6. Discuss how other small engine systems are interrelated.

5-1. Identify the parts of a small engine’s fuel system.

5-2. Describe an engine’s carburetor, its parts, and its function.

5-3. Determine the theory behind how a carburetor operates.

5-4. Categorize air filtration systems used in different types of small engines.

5-5. Examine the air filter on a small engine.

5-6. Analyze the use of air filtration systems in other types of machines.

6-1. Investigate advanced aspects of carburetor operation.

6-2. Describe sophisticated carburetor parts and their functions.

6-3. Define the functions of an engine’s fuel filter and fuel pump.

6-4. Examine careers associated with the production of small engine parts.

6-5. Discuss your thoughts on which engine system might be the toughest to develop and manufacture.

7-1. Define the governor system and its function.

7-2. Identify the parts of a governor system.

7-3. Classify different types of governor systems.

7-4. Consider common governor system problems.

7-5. Explain governor droop and related concepts.

7-6. Compare a governor to other mechanical systems.

8-1. Examine horsepower and torque in more detail.

8-2. Categorize different forms of horsepower.

8-3. Distinguish the role and types of a dynamometer.

8-4. Identify the properties of electricity.

8-5. Classify types of electric currents and circuits.

8-6. Discuss why small engines do not use electric motors.

Activity 9

9-1. Identify the components of a small engine’s electrical and charging systems.

9-2. Describe an alternator, its parts, and how they work.

9-3. Outline the workings of a small engine’s ignition system.

9-4. Examine the rewind starting system of a small engine.

9-5. Test the spark plug gap using a spark plug gauge.

9-6. Consider other maintenance that a small engine’s electrical system might require.

10-1. Identify the role of an alternator in an engine and how it accomplishes its goals.

10-2. Discuss parts of an engine’s electrical system that work with or are affected by the alternator.

10-3. Examine methods of testing alternators for problems.

10-4. Outline what a digital multimeter measures.

10-5. Determine how heat affects an engine.

10-6. Recognize components of air-cooled and liquid-cooled engine cooling systems.

10-7. Compare the properties of electrical and thermal conductivity in familiar materials.

11-1. Determine the function of motor oil in an engine’s operation.

11-2. Define viscosity and other traits of motor oil.

11-3. Identify components of an engine’s lubrication system.

11-4. Distinguish different types of lubrication systems.

11-5. Examine careers that detect, gather, and manufacture natural resources using small engines.

11-6. Describe your experiences with engine lubrication systems.

 Activity 11

12-1. Examine the major causes of engine failure.

12-2. Analyze what kinds of small engine problems you would consider the most difficult to diagnose, test for, and repair.

12-3.You will also begin challenges to meet several high-level problem-solving objectives.

Activity 12 through Activity 15 require students to complete challenges to meet numerous high level problem-solving objectives.

Activity 15

15-1. Select appropriate vocabulary terms based on the definitions provided.

15-2.Test your comprehension of concepts gained during this course.

15-3.State and explain your opinion of the Small Engines PAC.

The objectives for the challenges in Activity 12 through Activity 15 of this PAC include:

You will conduct research on a career of your choice that utilizes small engines. Share your findings in a presentation.

You will conduct research on a pioneer of your choice in history of small engine development. Share your findings in a presentation.

You will conduct research on the qualities of natural and synthetic motor oils, different oil viscosities, and the applications of each. Share your findings in a presentation.

You will conduct research on an alternative fuel. Share your findings in a presentation.

You will conduct research on how electrically-powered engines operate. Share your findings in a presentation.

Copyright © 1999-2010 by Applied Technologies, a division of Learning Labs, Inc.  ALL RIGHTS RESERVED