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