NFPA-25 Study
Comprehensive Questions
(Frequently Tested) with
Verified Answers
WHAT IS THE PURPOSE OF A CONTROL VALVE - Answer: CONTROL FLOW TO THE WATER BASED SYSTEM
THE GAUGE ON THE QUICK OPENING DEVICE SHALL INDICATE "BLANK" AS COMPARED TO THE GAUGE
ON THE SYSTEM SIDE OF THE DRY PIPE VALVE? - Answer: PLUS OR MINUS 10PSI EITHER WAY
WHAT TYPE OF TEST SHALL BE PROVIDED WHEN A VALVE IS RETURNED TO SERVICE TO DETERMINE
THAT THE VALVE IS OPEN? - Answer: DRAIN TEST
WHAT IS A FIRE SERVICE MAIN? - Answer: A PIPE AND ITS APPURTENANCES ON PRIVATE PROPERTY, &
PIPE BETWEEN A SOURCE OF WATER AND THE BASE OF THE SYSTEM RISER
NAME THE SYSTEM THAT UTILIZES A PLATE THROUGH WHICH PASSES A SPECIFIC AMOUNT OF FOAM
CONCENTRATE AT A SPECIFIC PRESSURE - Answer: ORIFICE PLATE PROPORTIONING
DURING AN INSPECTION, WHICH OF THE FOLLOWING WOULD BE IDENTIFIED AS A SPRINKLER WHICH
SHALL BE REPLACED? - Answer: CORROSION
WHAT ARE THE INSPECTION REQUIREMENTS FOR HANGERS AND SEISMIC BRACES INSTALLED IN
CONCEALED SPACES? - Answer: PERIODIC INSPECTION IS NOT REQUIRED
GAUGES SHALL BE REPLACED EVERY "BLANK" OR TESTED EVERY "BLANK" BY COMPARISON WITH A
CALIBRATED GAUGE. - Answer: 5 YEARS / 5 YEARS
WHERE AIR PRESSURE SUPERVISION IS CONNECTED TO A CONSTANTLY ATTENDED LOCATION GAUGES
SHALL BE INSPECTED "BLANK" - Answer: MONTHLY
, SPRINKLERS INSTALLED IN AREAS THAT ARE INACCESSIBLE FOR SAFETY CONSIDERATION, DUE TO
PROCESS OPERATIONS "BLANK" BE "BLANK" DURING EACH SCHEDULED SHUTDOWN - Answer: SHALL BE
INSPECTED
WHAT TYPE OF VALVE IS DESIGNED FOR THE PURPOSE OF REDUCING DOWNSTREAM WATER PRESSURE
UNDER BOTH RESIDUAL AND STATIC CONDITIONS? - Answer: PRESSURE REDUCING VALVE
WHICH OF THE FOLLOWING IS A REQUIREMENT FOR HOSE VALVES? - Answer: SEALING, ELECTRICAL, OR
POWER SUPERVISION. ANSWER NONE
PIV AND O.S AND Y. SHALL BE BACKED A "BLANK" FROM THE FULLY OPEN POSITION TO PREVENT
JAMMING? - Answer: 1/4 TURN
WHEN THERE IS A "BLANK" PERCENT REDUCTION IN FULL FLOW PRESSURE, WHEN COMPARED TO
ORIGINAL ACCEPTANCE TEST, THE CAUSE OF THE REDUCTION SHALL BE IDENTIFIED AND CORRECTED. -
Answer: 10%
GAUGES NOT ACCURATE WITHIN "BLANK" PERCENT OF THE FULL SCALE SHALL BE RECALIBRATED OR
REPLACED - Answer: 3%
A PERMANENTLY MARKED INFORMATION SIGN SHALL BE PLACED AT THE "BLANK" SUPPLYING THE
ANTIFREEZE LOOP, DRY SYSTEM, PREACTION SYSTEM, OR AUXILIARY SYSTEMS CONTROL VALVE -
Answer: SYSTEM CONTROL RISER
INFORMATION SIGNS SHALL INDICATE LOCATION OF WHICH OF THE FOLLOWING - Answer: LOCATION
OF AREA SERVED BY SYSTEM. THE PRESENCE AND LOCATION OF ANTIFREEZE OR OTHER AUXILIARY
SYSTEMS. THE PRESENCE AND LOCATION OF HEAT TAPE. ALL OF ABOVE
WHICH OF THE FOLLOWING SIGNS REQUIRES A QUARTERLY INSPECTION TO VERIFY THAT IT IS SECURELY
ATTACHED TO THE SPRINKLER RISER - Answer: HYDRAULIC DESIGN INFORMATION SIGN
WHICH OF THE FOLLOWING WOULD BE AN ACCEPTABLE MATERIAL FOR THE INFORMATION SIGN TO BE
MADE OF? - Answer: BOTH A & B. RIGID PLASTIC, OR METAL
Comprehensive Questions
(Frequently Tested) with
Verified Answers
WHAT IS THE PURPOSE OF A CONTROL VALVE - Answer: CONTROL FLOW TO THE WATER BASED SYSTEM
THE GAUGE ON THE QUICK OPENING DEVICE SHALL INDICATE "BLANK" AS COMPARED TO THE GAUGE
ON THE SYSTEM SIDE OF THE DRY PIPE VALVE? - Answer: PLUS OR MINUS 10PSI EITHER WAY
WHAT TYPE OF TEST SHALL BE PROVIDED WHEN A VALVE IS RETURNED TO SERVICE TO DETERMINE
THAT THE VALVE IS OPEN? - Answer: DRAIN TEST
WHAT IS A FIRE SERVICE MAIN? - Answer: A PIPE AND ITS APPURTENANCES ON PRIVATE PROPERTY, &
PIPE BETWEEN A SOURCE OF WATER AND THE BASE OF THE SYSTEM RISER
NAME THE SYSTEM THAT UTILIZES A PLATE THROUGH WHICH PASSES A SPECIFIC AMOUNT OF FOAM
CONCENTRATE AT A SPECIFIC PRESSURE - Answer: ORIFICE PLATE PROPORTIONING
DURING AN INSPECTION, WHICH OF THE FOLLOWING WOULD BE IDENTIFIED AS A SPRINKLER WHICH
SHALL BE REPLACED? - Answer: CORROSION
WHAT ARE THE INSPECTION REQUIREMENTS FOR HANGERS AND SEISMIC BRACES INSTALLED IN
CONCEALED SPACES? - Answer: PERIODIC INSPECTION IS NOT REQUIRED
GAUGES SHALL BE REPLACED EVERY "BLANK" OR TESTED EVERY "BLANK" BY COMPARISON WITH A
CALIBRATED GAUGE. - Answer: 5 YEARS / 5 YEARS
WHERE AIR PRESSURE SUPERVISION IS CONNECTED TO A CONSTANTLY ATTENDED LOCATION GAUGES
SHALL BE INSPECTED "BLANK" - Answer: MONTHLY
, SPRINKLERS INSTALLED IN AREAS THAT ARE INACCESSIBLE FOR SAFETY CONSIDERATION, DUE TO
PROCESS OPERATIONS "BLANK" BE "BLANK" DURING EACH SCHEDULED SHUTDOWN - Answer: SHALL BE
INSPECTED
WHAT TYPE OF VALVE IS DESIGNED FOR THE PURPOSE OF REDUCING DOWNSTREAM WATER PRESSURE
UNDER BOTH RESIDUAL AND STATIC CONDITIONS? - Answer: PRESSURE REDUCING VALVE
WHICH OF THE FOLLOWING IS A REQUIREMENT FOR HOSE VALVES? - Answer: SEALING, ELECTRICAL, OR
POWER SUPERVISION. ANSWER NONE
PIV AND O.S AND Y. SHALL BE BACKED A "BLANK" FROM THE FULLY OPEN POSITION TO PREVENT
JAMMING? - Answer: 1/4 TURN
WHEN THERE IS A "BLANK" PERCENT REDUCTION IN FULL FLOW PRESSURE, WHEN COMPARED TO
ORIGINAL ACCEPTANCE TEST, THE CAUSE OF THE REDUCTION SHALL BE IDENTIFIED AND CORRECTED. -
Answer: 10%
GAUGES NOT ACCURATE WITHIN "BLANK" PERCENT OF THE FULL SCALE SHALL BE RECALIBRATED OR
REPLACED - Answer: 3%
A PERMANENTLY MARKED INFORMATION SIGN SHALL BE PLACED AT THE "BLANK" SUPPLYING THE
ANTIFREEZE LOOP, DRY SYSTEM, PREACTION SYSTEM, OR AUXILIARY SYSTEMS CONTROL VALVE -
Answer: SYSTEM CONTROL RISER
INFORMATION SIGNS SHALL INDICATE LOCATION OF WHICH OF THE FOLLOWING - Answer: LOCATION
OF AREA SERVED BY SYSTEM. THE PRESENCE AND LOCATION OF ANTIFREEZE OR OTHER AUXILIARY
SYSTEMS. THE PRESENCE AND LOCATION OF HEAT TAPE. ALL OF ABOVE
WHICH OF THE FOLLOWING SIGNS REQUIRES A QUARTERLY INSPECTION TO VERIFY THAT IT IS SECURELY
ATTACHED TO THE SPRINKLER RISER - Answer: HYDRAULIC DESIGN INFORMATION SIGN
WHICH OF THE FOLLOWING WOULD BE AN ACCEPTABLE MATERIAL FOR THE INFORMATION SIGN TO BE
MADE OF? - Answer: BOTH A & B. RIGID PLASTIC, OR METAL
