PRACTICE EXERCISE FOR LESSON 5
You have just finished reading the instructional material for Lesson 5. This lesson covered procedures
for metering detergent or foam with water; loading, mixing, and spraying decontaminants; and
assembly, disassembly, and operation of the shower assembly of the M12A1 PDDA. 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 procedure 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 responses 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 this
practice exercise, you should review all of the subcourse material before starting the examinations.
How much fire extinguisher foam should be added to the prime detergent tank of the M12A1
In the process of metering detergent with water, valve 2 controls the flow to the ________
lower discharge hose.
upper discharge hose.
In metering foam, if the foam mixture is thin and watery, you should close _________
valve 2 all the way.
the tank drain valve one-quarter turn.
valve 4 halfway.
the throttle two turns.