*TB-12 Automatic Sprinkler Systems Flashcards
“Junior Systems” are inexpensive protection for light hazard occupancies where not over ___ to ___ sprinklers are likely to operate.
3-4
Is there a fire department connection to a “junior sprinkler system”?
No
Is there a drain valve to a “junior sprinkler system”?
No
Junior sprinkler heads will discharge about ____ as much water as the standard one-half inch sprinkler, and are distinguished by a pintle extending beyond the center of the deflector.
1/2
Records show that ___% of all fires in sprinklered buildings are extinguished or satisfactorily held in check a sprinkler system.
96
What is the sprinkler head orifice of junior sprinkler?
1/4 to 3/8”
The junior sprinkler system itself is a loop of ____ of an inch or ____ inch of copper tubing
3/4 to 1 inch
A shut off to the sprinkler system should be made only after a thorough check reveals the fire is out.
Highlight only