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WFSM SET A VOLUME 4 QUESTIONS WITH CORRECT ANSWERS.
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WFSM SET A VOLUME 4 QUESTIONS WITH CORRECT ANSWERS.
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WFSM SET A VOLUME 4 QUESTIONSWITH CORRECT ANSWERS
What cctype ccof ccfire ccsuppression ccsystem cchas ccclosed ccheads, ccis ccfull ccof ccwater,
ccand ccis ccunder ccpressure ccat ccall cctimes? cc
a. ccDry ccpipe. cc
b. ccWet ccpipe. cc
c. ccDeluge. cc
d. ccFoam. cc- ccAnswer ccb. ccWet ccpipe
In cca ccwet-pipe ccsprinkler ccsystem, ccwhat cccauses ccthe ccclapper ccvalve ccto ccopen? cc
a. ccOne ccor ccmore ccheads ccopening.
b. ccManual ccoperation ccof cca ccpull ccstation. cc
c. ccHigh ccsteady ccinlet ccwater ccpressure. cc
d. ccMalfunctioning ccof ccthe ccwater ccmotor ccalarm. cc- ccAnswer cca. ccOne ccor ccmore
ccheads ccopening
What ccis ccthe ccfirst ccstep ccin ccrestoring cca ccwet-pipe ccsprinkler ccsystem?
a. ccNotify ccbuilding ccoccupants. cc
b. ccClean ccup ccwater ccdamage.
c. ccReplace ccdamaged ccheads. cc
d. ccOpen ccmain cccontrol ccvalve ccto ccfill ccsystem. cc- ccAnswer ccc. ccReplace ccdamaged
ccheads.
When ccrestoring cca ccwet-pipe ccsprinkler ccsystem, ccany cctrapped ccair cccan ccbe ccbled
ccoff ccby
a. ccusing ccthe ccinspector's cctest ccvalve. cc
b. ccslowly ccopening ccthe ccmain ccwater-control ccvalve. cc
c. ccusing ccthe ccbleed ccvalve ccon ccthe ccalarm ccvalve ccclapper.
d. ccopening ccthe ccalarm ccline ccstrainer. cc- ccAnswer cca. ccUsing ccthe ccinspector's cctest
ccvalve.
What ccshould ccyou ccdo ccif ccfalse ccalarms ccare ccbeing cccaused ccby ccpressure
ccsurges? cc
a. ccRelieve cctrapped ccair ccpressure. cc
b. ccEliminate ccwater ccpressure. cc
c. ccAdd ccwater ccpressure cc
, d. ccAdd ccair ccpressure. cc- ccAnswer cca. ccRelieve cctrapped ccair ccpressure.
What ccare ccthe cctwo cctypes ccof ccquick-opening ccdevices ccin cca cclarge ccdry-pipe
ccsystem? cc
a. ccMechanical ccand ccpneumatic. cc
b. ccReleasers ccand ccaccelerators. cc
c. ccExhausters ccand ccreleasers. cc
d. ccAccelerators ccand ccexhausters. cc- ccAnswer ccd. ccAccelerators ccand ccexhausters.
How cclong ccshould ccit cctake ccto ccrecharge cca ccdry-pipe ccsystem ccduring ccrestoration?
cc
a. cc15 ccminutes. cc
b. cc30 ccminutes. cc
c. cc45 ccminutes cc
d. cc1 cchour. cc- ccAnswer ccb. cc30 ccminutes.
When ccinspecting cca ccdry-pipe ccsprinkler ccsystem, ccrecord ccand cccompare ccto
ccprevious ccreadings ccthe ccair ccand ccwater ccpressures ccand cc
a. cchumidity cc
b. cctemperature cc
c. cctime ccof ccday cc
d. cctime ccof ccinspection cc- ccAnswer ccb. cctemperature
How ccdo ccyou cccorrect ccoccasional cctrips ccin ccdry-pipe ccsystems cccaused ccby ccwater
ccsurges? cc
a. ccDecrease ccwater ccpressure. cc
b. ccIncrease ccwater ccpressure cc
c. ccDecrease ccair ccpressure. cc
d. ccIncrease ccair ccpressure. cc- ccAnswer ccd. ccIncrease ccair ccpressure.
What cctype ccof ccfire ccsuppression ccsystem cchas ccopen ccsprinkler ccheads, ccand ccthe
ccsystem ccpiping ccis ccunder ccsurrounding ccatmospheric ccpressure? cca. ccDry ccpipe. cc
b. ccWet ccpipe cc
c. ccDeluge. cc
d. ccDry ccchemical. cc- ccAnswer ccc. ccDeluge.
What ccare ccthe cctwo ccpossible ccpositions ccof ccthe ccdifferential ccdeluge ccvalve? cc
a. ccOn ccand ccoff. cc
b. ccOpen ccand ccclosed. cc
c. ccStandby ccand ccfire. cc
d. ccStandby ccand ccactivated. cc- ccAnswer ccc. ccStandby ccand ccfire.
What ccis ccused ccto cctest ccheat-actuated ccdevices cc(HAD) ccin ccan ccexplosive
ccatmosphere? cc
a. ccElectric ccheater. cc
b. ccOpen ccflame. cc
c. ccHot ccwater ccor cchot cccloth. cc
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