Master and Lt. Exams

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The maximum diameter broken gas line allowed to be crimped is

3/4" Plastic Only
Define the term CAFS

Compressed Air Foam System
Describe the functions of the First CAFS Logic Board

1. GPM Flowed (at that moment)

2. Foam Mix Rate (0.5) to be changed to 0.3 when new foam arrives

3. Total GPM Flowed (incident)

4. Total Foam Flowed (incident)
Describe the Second CAFS Logic Board

1. Total Compressor CFM

2. Air / Water Ratio

3. Compressor Temperature (alarm 195 degrees / shutdown 205 degrees)

4. Compressor Total Hours
Describe the Two Types of CVFSS Attack Line Nozzles on the CAFS Engine

Define which size attack lines are used with each nozzle
Metro I and Metro II
- Metro I is for lines up to 1-3/4"
- Metro II is for lines 2" and 2-1/2"
Describe the method used for maximum water intake from a hydrant.

What condition does this create for the CAFS Engine
- Open Rear MIV (master intake valve)
- Close Auto Tank fill
NO CAFS OPERATION - Water Only!
Describe the Hose Loads on the CAFS Engine

Green: 1-3/4" Line

Yellow: 2" Line

Orange: