LESSON 3

PRACTICE EXERCISE

Instructions The following items will test your understanding of the material covered in this lesson. There is only one correct answer for each item. When you have completed the exercise, check your answers with the answer key that follows. If you answer any item incorrectly, review that part of the lesson which contains the portion involved.
1. Which engine will produce more horsepower?

 A. Compression ignition engine.
B. Gasoline engine.
C. Spark ignition engine.
D. Two cycle engine.
2. Which pump would have a piston or plunger moving back and forth in a cylinder?

A. Rotary pump.
B. Centrifugal pump.
C. Reciprocating pump.
D. Vacuum pump.
3. Which of the following is a characteristic of a turbine engine?

A. Produce less horsepower per size.
B. Lightweight.
C. Initial cost is very low.
D. Require more maintenance.
4. As the piston moves in an upward stroke in a compression ignition engine, the air is heated to approximately what degree?

A. 500 to 600 degrees Fahrenheit.
B. 900 to 1000 degrees Fahrenheit.
C. 700 to 800 degrees Fahrenheit.
D. 300 to 400 degrees Fahrenheit.
5. Four cycle and two cycle are classifications of what type of engine?

A. Reciprocating.
B. Turbine.
C. Diesel.
D. Electric
.