TB 11 Dry Chemical Fire Extinguisher

Question 1

TB 11 Dry Chemical Fire Extinguisher

Made up of?

Answer 1

Sodium bicarbonate

Question 2

TB 11 Dry Chemical Fire Extinguisher

Acid spills

Answer 2

Hold nozzle 2-3 feet above acid

Question 3

TB 11 Dry Chemical Fire Extinguisher

Shell tank tested to how many psi?

Answer 3

Tested at 600 psi

Question 4

TB 11 Dry Chemical Fire Extinguisher

Pressuriezed to what psi?

Answer 4

165 psi

Question 5

TB 11 Dry Chemical Fire Extinguisher

Warking psi?

Answer 5

125 to 175 psi

Question 6

TB 11 Dry Chemical Fire Extinguisher

Nylon reinforced hose cone

Nozzle shapes to a ___ degree cone?

Answer 6

60 degree

Question 7

TB 11 Dry Chemical Fire Extinguisher

Holds ___lb of dry chem?

Answer 7

20lbs

Question 8

TB 11 Dry Chemical Fire Extinguisher

Effective range or ___ to__ ft?
To prevent splashing when using on depths of flammable liquid, care should be taken to direct initial discharge not closer than ___ to ___ ft?

Answer 8

15 - 20 ft

6-8 ft

Question 9

TB 11 Dry Chemical Fire Extinguisher

Maintenance

• Keep full
• cheeck gauge daily 125 - 175 psi
• inspect periodically and after each use for worn or damaged parts
• monthly- invert and shake to preclude chemical caking

Answer 9

Reference