NFPA-25 Study Exam Questions &
Answers8
WHAT IS THE PURPOSE OF A CONTROL VALVE - ANSWERS-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? - ANSWERS-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? - ANSWERS-DRAIN TEST
WHAT IS A FIRE SERVICE MAIN? - ANSWERS-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 - ANSWERS-ORIFICE PLATE PROPORTIONING
DURING AN INSPECTION, WHICH OF THE FOLLOWING WOULD BE IDENTIFIED AS A SPRINKLER
WHICH SHALL BE REPLACED? - ANSWERS-CORROSION
WHAT ARE THE INSPECTION REQUIREMENTS FOR HANGERS AND SEISMIC BRACES INSTALLED IN
CONCEALED SPACES? - ANSWERS-PERIODIC INSPECTION IS NOT REQUIRED
GAUGES SHALL BE REPLACED EVERY "BLANK" OR TESTED EVERY "BLANK" BY COMPARISON
WITH A CALIBRATED GAUGE. - ANSWERS-5 YEARS / 5 YEARS
, WHERE AIR PRESSURE SUPERVISION IS CONNECTED TO A CONSTANTLY ATTENDED LOCATION
GAUGES SHALL BE INSPECTED "BLANK" - ANSWERS-MONTHLY
SPRINKLERS INSTALLED IN AREAS THAT ARE INACCESSIBLE FOR SAFETY CONSIDERATION, DUE TO
PROCESS OPERATIONS "BLANK" BE "BLANK" DURING EACH SCHEDULED SHUTDOWN -
ANSWERS-SHALL BE INSPECTED
WHAT TYPE OF VALVE IS DESIGNED FOR THE PURPOSE OF REDUCING DOWNSTREAM WATER
PRESSURE UNDER BOTH RESIDUAL AND STATIC CONDITIONS? - ANSWERS-PRESSURE REDUCING
VALVE
WHICH OF THE FOLLOWING IS A REQUIREMENT FOR HOSE VALVES? - ANSWERS-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? - ANSWERS-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. - ANSWERS-10%
GAUGES NOT ACCURATE WITHIN "BLANK" PERCENT OF THE FULL SCALE SHALL BE
RECALIBRATED OR REPLACED - ANSWERS-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 - ANSWERS-SYSTEM CONTROL RISER
INFORMATION SIGNS SHALL INDICATE LOCATION OF WHICH OF THE FOLLOWING - ANSWERS-
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
Answers8
WHAT IS THE PURPOSE OF A CONTROL VALVE - ANSWERS-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? - ANSWERS-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? - ANSWERS-DRAIN TEST
WHAT IS A FIRE SERVICE MAIN? - ANSWERS-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 - ANSWERS-ORIFICE PLATE PROPORTIONING
DURING AN INSPECTION, WHICH OF THE FOLLOWING WOULD BE IDENTIFIED AS A SPRINKLER
WHICH SHALL BE REPLACED? - ANSWERS-CORROSION
WHAT ARE THE INSPECTION REQUIREMENTS FOR HANGERS AND SEISMIC BRACES INSTALLED IN
CONCEALED SPACES? - ANSWERS-PERIODIC INSPECTION IS NOT REQUIRED
GAUGES SHALL BE REPLACED EVERY "BLANK" OR TESTED EVERY "BLANK" BY COMPARISON
WITH A CALIBRATED GAUGE. - ANSWERS-5 YEARS / 5 YEARS
, WHERE AIR PRESSURE SUPERVISION IS CONNECTED TO A CONSTANTLY ATTENDED LOCATION
GAUGES SHALL BE INSPECTED "BLANK" - ANSWERS-MONTHLY
SPRINKLERS INSTALLED IN AREAS THAT ARE INACCESSIBLE FOR SAFETY CONSIDERATION, DUE TO
PROCESS OPERATIONS "BLANK" BE "BLANK" DURING EACH SCHEDULED SHUTDOWN -
ANSWERS-SHALL BE INSPECTED
WHAT TYPE OF VALVE IS DESIGNED FOR THE PURPOSE OF REDUCING DOWNSTREAM WATER
PRESSURE UNDER BOTH RESIDUAL AND STATIC CONDITIONS? - ANSWERS-PRESSURE REDUCING
VALVE
WHICH OF THE FOLLOWING IS A REQUIREMENT FOR HOSE VALVES? - ANSWERS-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? - ANSWERS-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. - ANSWERS-10%
GAUGES NOT ACCURATE WITHIN "BLANK" PERCENT OF THE FULL SCALE SHALL BE
RECALIBRATED OR REPLACED - ANSWERS-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 - ANSWERS-SYSTEM CONTROL RISER
INFORMATION SIGNS SHALL INDICATE LOCATION OF WHICH OF THE FOLLOWING - ANSWERS-
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
