PRACTICE EXERCISE FOR LESSON 1
You have just finished reading the instructional material for Lesson 1. This lesson covered the
descriptions of the M12A1 PDDA tank unit assembly, the pump unit assembly, and the M2 water heater.
It is now time to check your understanding of the lesson. This is done by completing the practice
exercise below. All of the questions are multiple-choice and are intended to measure your
understanding of the procedures used in performing the task. There is only one correct answer to each
question. Try to answer all of the questions without referring to the lesson material.
When you have completed all of the questions, turn the page and check your answers against the correct
responses. Each correct response is referenced to specific portions of the lesson material so that you can
review any questions you have missed or do not understand. When you have completed your review,
continue to the next lesson.
Which item is usually found on the spray nozzle gun assembly?
Fire hose foam nozzle.
Fire hose water nozzle.
Where is the M12A1 PDDA blender hose stowed?
Inside the suction hose, on top of the tank unit assembly.
Under the canvas cover of the pump unit.
Under the cover panel of the pump unit.
In the toolbox.
Where is the handle for valve 4 located?
On the tank unit assembly.
On the pump unit control panel.
On the M2 water heater.
On the personnel shower assembly.
What is the function of the voltage regulator switch, located on the pump unit control panel?
Regulate the voltage to the pump motor.
Regulate the voltage to the start/magneto switch.
Furnish power to operate the oil pressure gage.
Supply precise power to operate the H2 water heater.