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S12 FDNY CERTIFICATION EVALUATION EXAMS VERIFIED QUESTIONS WITH COMPLETE ANSWERS

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S12 FDNY CERTIFICATION EVALUATION EXAMS VERIFIED QUESTIONS WITH COMPLETE ANSWERS

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S12 FDNY CERTIFICATION EVALUATION
EXAMS VERIFIED QUESTIONS WITH
COMPLETE SOLUTIONS EXPERT REVIEW
GRADED A+

⩥ preaction system with recycling feature.
Answer: controls sprinklers to turn off if fire is put out or heat drops.


⩥ deluge system.
Answer: All sprinkler heads are open, pipes dry


⩥ ELO extra large orifice sprinkler.
Answer: Orifice size greater than 1"


⩥ extended coverage sprinklers head.
Answer: Covers max 400sqft in light hazard and 144sqft for high hazard
areas


⩥ large orifice sprinkler.
Answer: Orifice greater than 3/4" but smaller than 1"


⩥ RTI.

, Answer: Response time index


⩥ SIN.
Answer: Sprinkler identification numbers required on sprinkler heads
manufactured after 1/1/2000


⩥ minimum maintained building temperature.
Answer: 40deg F


⩥ automatic wet system.
Answer: System where water is stored in pipes.


⩥ automatic dry system.
Answer: System where air is stored in pipes


⩥ psi in dry system piping.
Answer: 15-20psi


⩥ pre action system.
Answer: Has no water in pipes until fire/smoke is detected


⩥ sketch of compactor garbage chute sprinkler system.

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