S12 FDNY Exam Questions and Verified Answers

S12 /




FDNY
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Exam Questions and Verified Answers 2025-
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2026

RTI //of //a //standard //sprinkler //- //CORRECT //ANSWERS(S)✔✔80



Sprinkler //system //with //open //heads //- //CORRECT //ANSWERS(S)✔✔Deluge //system



Freezing /
/point //of //antifreeze //solutions //- //CORRECT //ANSWERS(S)✔✔Hydrometer //or //refractometer




Color /
/required /


/for /


/sprinkler //and //standpipe //risers //per //local //law //58/2009 //- //CORRECT //ANSWERS(S)✔✔Yellow




Distance /
/for /


/hanger /


/assembly /


/to //center //line //of //an //upright //sprinkler //head //- //CORRECT //ANSWERS(S)✔✔3 //inches




Location /
/of /


/the /


/automatic /

,/ball /
/drip //- /


/CORRECT //ANSWERS(S)✔✔Between //lower //check //valve //and //fire //department //connection




Purpose //of //a //ball //drip //- //CORRECT //ANSWERS(S)✔✔To //prevent //freezing //in //the //line



Build //up //of //foreign //matter //on //a //sprinkler //head //- //CORRECT //ANSWERS(S)✔✔Loading



When //a //sprinkler //head //opens //- //CORRECT //ANSWERS(S)✔✔It //is //said //to //be //fused



Minimum //air //pressure //inside //a //pressure //tank //- //CORRECT //ANSWERS(S)✔✔75 //psi



Height //
a/
/gravity /


/tank /


/should //be //above //highest //sprinkler //heads //it //supplies //- //CORRECT //ANSWERS(S)✔✔25 //feet




Frequency //for //replacing //gauges //- //CORRECT //ANSWERS(S)✔✔Every //5 //years



Number /
/of /


/spare //sprinkler //heads //required //when //under //300 //sprinklers //- //CORRECT //ANSWERS(S)✔✔6




Number /
/of /


/spare /


/sprinkler /


/heads //required //when //there //are //300 //to //1000 //sprinklers //- //CORRECT //ANSWERS(S)✔✔12

, Number /
/of /


/spare /


/sprinkler /


/heads //required //when //there //are //over //1000 //sprinklers //- //CORRECT //ANSWERS(S)✔✔24




Year //all //sprinklers //prior //to //which //shall //be //replaced //- //CORRECT //ANSWERS(S)✔✔1920



GPM //at //which //house //pumps //fill //the //gravity //tank //- //CORRECT //ANSWERS(S)✔✔65 //gpm



Spray /
/pattern /


/of //


a/
/sprinkler //


3 //feet //below //the //sprinkler //head //deflector //- //CORRECT //ANSWERS(S)✔✔16 //feet //at //15 //gpm



Notification /
/time //to //FDNY //for //an //out //of //service //condition //- //CORRECT //ANSWERS(S)✔✔8 //hours




Who /
/must /


/draw //


a/
/hand /


/drawn /


/sketch //of //the //compactor //system //- //CORRECT //ANSWERS(S)✔✔Certificate //of //fitness //holder




What //a //pre-
action //valve //prevents //from //entering //the //system //- //CORRECT //ANSWERS(S)✔✔Water