TB 11 Pressurized Dry Chemical Fire Extinguisher Flashcards
1
Q
What is the discharge time in seconds from 15 to 20 feet from a 20BC dry chemical extinguisher?
A
10 seconds
2
Q
On acid spills, hold the dry chemical how many feet above spill?
A
2 to 3 feet
3
Q
20BC dry chemical extinguishers cover deep layered class B fuel equal to?
A
20sq feet
4
Q
Dry chemical extinguishers are tested to ____
A
600 psi
5
Q
The nozzle on a dry chemical extinguisher shapes to a ____ degree cone
A
60
6
Q
Dry chemical extinguishers hold ____ pounds of dry chemical powder
A
20
7
Q
When dry chemical extinguisher is in need of recharge, send to?
A
S&M w/ 175tag
8
Q
To prevent splashing when using on depths of flammable liquid, care should be taken to direct the initial discharge from a distance not closer than ____ to___ feet.
A
6 to 8
