PRACTICE EXERCISE FOR LESSON 3
You have just finished reading the instructional material for Lesson 3. This lesson covered loading the
tank from a water source and pumping water from a natural water source without loading the tank. It is
now time to check your understanding of the lesson. This is done by completing the practice exercise
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.
When you fill the tank unit assembly to the 447-gallon level, which material will you spray?
Soda ash solution.
In the operation of the M12A1 PDDA, water with foreign matter should be avoided if possible,
because the foreign matter will ______________
damage the throttle.
clog the fuel line.
damage the fuel pump.
damage the pump and nozzles.
In which component is the liquid level indicator located?
The pump unit assembly.
The tank unit assembly.
The M2 water heater.
The personnel shower assembly.
In spraying water from a natural source, water flows from valves 2 and 3 to the gun assemblies
through the _____________
reel assembly plumbing.