TB 12 Flashcards
1
Q
TB12 what percentage of fires are held in check by sprinklers
A
96%
2
Q
TB12 according to the NBFU (nfpa), companies should hook up how many lines into sprinkler connections
A
2
3
Q
TB12 all the following are true about Jr sprinklered systems
A
-supplied by 1” brass pipe
-usually 1/4 or 1/2” head
-No FD connection or drain
4
Q
TB12 normally even ___ hose line can extinguish a fire being controlled by sprinklers
A
One 1 1/2”
5
Q
TB12 a jr system head will flow ___ as a standard sprinkler head
A
1/2
6
Q
TB12 deliver ___ PSI to inlets if no fire is showing
A
100
150 if fire showing