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Gas Fitter 2 Practice Test With The Answers Correctly Updated.
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Gas Fitter 2 Practice Test With The Answers Correctly Updated.
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Gas Fitter 2 Practice Test With TheAnswers Correctly Updated
A vroom vheater vinstalled vin veither va vsleeping varea vor vpublic varea vshall vbe:
A. vdirect vvent vonly
B. vequipped vwith va vregulator
C. vequipped vwith va vfan
D. vequipped vwith van von v/ voff vswitch von vthe vwall v- vcorrect vanswer-B
What vtype vof vvent vmust vbe vused vwhen vthe vvent vof va vwall vfurnace vwill vbe
vconcealed vin va vpartition vwall?
A. vB vvent
B. vL vvent
C. vBH vvent
D. vBW vvent v- vcorrect vanswer-D
Single vwall vvent vconnectors:
A. vmay vpass vthrough vfloors, vceilings vor vroofs vprovided va vmetal vthimble vis vused
B. vmay vpass vthrough vfloors, vceilings vor vroofs vprovided vthe vrequired vminimum
vdistance vfrom vcombustible vmaterial vis vmaintained
C. vmay vpass vthrough vfloors, vceilings vor vroofs vprovided vthey vare vinsulated
D. vshall vnot vpass vthrough vfloors, vceilings vor vroofs v- vcorrect vanswer-D
BW vvent vshall vbe vused vonly vwith van vapproved:
A. vdecorative vappliance
B. vdown vflow vfurnace
,C. vrevertible vflue vboiler
D. vrecessed vwall vfurnace v- vcorrect vanswer-D
What vmust vbe vdone vduring vthe vinstallation vof va vgas vlog vfireplace?
A. vMake vsure vthere vis va vmetal vmesh vscreen vin vfront vof vthe vfireplace
B. vSecure vthe vchimney vdamper vin vthe vopen vposition
C. vInstall va vpressure vregulator
D. vInstall va vmetal vchimney vliner v- vcorrect vanswer-B
When vcan va vcertified vhose vbe vused vto vconnect va vconstruction vheater vto
vtemporary vpiping?
A. vOnly vif va vlever vhandle vshut voff vvalve vis vinstalled vupstream vof vthe vhose
B. vOnly vif vthe vhose vis v15 vfeet vlong
C. vNever v- vcorrect vanswer-A
Which vof vthe vfollowing vis vacceptable vwhen va vfireplace vinsert vis vinstalled?
A. vA vmetal vchimney vlinear
B. vThe vexisting vfireplace vflue
C. vBW vvent
D. vA vtile vlined vfireplace vflue? v- vcorrect vanswer-A
An vunvented vinfra-red vheater vcan vbe vinstalled vin v________ vapplication v
A. vA vwarehouse
B. vA vcommercial vbuilding v
C. vAn vindustrial vbuilding
D. vAll vof vthe vabove v- vcorrect vanswer-D
Dirt vpockets vare vrequired von:
A. vDecorative vappliances
B. vGas vlogs
C. vRoom vheaters
D. vNone vof vthe vavailable vchoices v- vcorrect vanswer-D
What vdiameter vand vlength vof va vdirt vpocket vis vrequired vwhen va vdrop vline vis v3-
inch vdiameter?
A. v3 vinch vdiameter vby v3 vinches vlong
B. v1 vinch vdiameter vby v3 vinches vlong
C. v3/4 vinch vdiameter vby v3 vinches vlong
D. v2 vinch vdiameter vby v3 vinches vlong v- vcorrect vanswer-D
What vtype vof vroom vheater vmaybe vinstalled vin va vbathroom?
A. vNatural vdraft
B. vDirect vfired
C. vForced vdraft
D. vDirect vvent v- vcorrect vanswer-D
What vsafety vcontrol vprotects va vsteam vboiler vif vthe vcondensate vpump vfails vto
vreturn vwater vto vthe vboiler?
A. vHigh vpressure vlimit vcontrol
B. vLow vpressure vlimit vcontrol
,C. vFlame vsafeguard vcontrol
D. vLow vwater vcut voff v- vcorrect vanswer-D
The vrelief vvalve vfor va vresidential vlow-pressure vhot vwater vboiler vsystem vshould
vbe?
A. v14.7 vpsia
B. v15 vpsia v
C. v30 vpsig
D. v30 vpsia v- vcorrect vanswer-C
A vbackflow vprevent vused vin va vboiler vsystem vshould vbe vlocated vin vthe:
A. vOver vflow vline vconnected vto vthe vdrain
B. vReturn vline vclose vto vthe vboiler
C. v1/4" vline vconnecting vthe vboiler vand vcushion vtank
D. vMake vup vwater vline vto vthe vsystem v- vcorrect vanswer-B
Automatic vchlorinators vmust vbe vinstalled:
A. vupstream vof vthe vheater
B. vdownstream vof vthe vheater
C. vupstream vof vthe vfilter
D. vdownstream vof vthe vfilter v- vcorrect vanswer-B
On vseasonal vstart vup, va vpool vheater vshould vrun:
A. vintermittently
B. vcontinuously vfor v24 vhours
C. vcontinuously vuntil vthe vthermostat vis vsatisfied
D. vone vhour von vand vone vhour voff vuntil vthe vthermostat vis vsatisfied v- vcorrect
vanswer-C
Before vlighting va vburner vin va vsteam vboiler, vensure vthat:
A. vthere vis vwater vin vthe vboiler
B. vthe vtemperature vcontroller vis vset vproperly
C. vthe vmain vburner vtest vfiring vvalve vis vturned von
D. vthe vsafety vvalves vare vopen v- vcorrect vanswer-A
The vrecommended vwater vtemperature vsetting vfrom va vmixing vvalve vto vthe
vdomestic vwater vsystem vin vcombination vheating vsystems vthat vemploy voil-fired
vwater vheaters vfor vheating vpotable vwater vand vfor vspace vheating vis:
A. v43°C v(110°F)
B. v49°C vto v54°C v(120°F vto v130°F)
C. v60°C vto v66°C v(140°F vto v150°F)
D. v83°C v(180°F) v- vcorrect vanswer-B
An vinverted vsensor v(measures vwater vlevel) vcan vbe vfound voperating vwhat vtype
vof vappliance?
A. vHot vwater vboiler
B. vSteam vwater vboiler
C. vDomestic vhot vwater vstorage vtank
D. vDomestic vpotable vhot vwater vtank v- vcorrect vanswer-D
, A vbackflow vprevent vused vin va vhydronic vheating vsystem vis vused vto:
A. vKeep vhot vwater vfrom ventering vthe vcold vwater vsystem
B. vHold vthe vpressure von vthe vsystem vduring va vtemporary vshutdown vto vprevent
vthe ventry vof vair
C. vPrevent vthe vheating vwater vfrom vcirculating vthe vwrong vway vin vthe vsystem
D. vKeep vnon-combustible vwater vfrom ventering vthe vdrinking vwater vsystem v-
vcorrect vanswer-D
A vlow vwater vcut voff vdevice von van vautomatically vfired vhot vwater vheating vboiler
vrated vat v350,000 vBtuh v(102 vkW) vis:
A. vNot vrequired vif va vlimit vcontrol vis vinstalled
B. vNot vrequired vif vit vis vinstalled vin vthe vindustrial vapplication v
C. vRequired vwhen vany vportion vof vthe vcirculating vsystem vis vlocated vbelow vthe
vboiler
D. vRequired vonly vin vcommercial vapplications v- vcorrect vanswer-C
A vpressure vreducing vvalve v
A. vRelieves vsystem vpressure vin vexcess vof vthe vset vpressure
B. vReduces vthe vcity vmain vpressure vto va vsafe vworking vpressure
C. vReduces vthe vworking vpressure vto vthe vcity vmain vpressure
D. vPrevents vhot vwater vgravity vcirculation v- vcorrect vanswer-B
The vmaximum voperating vpressure vof va vlow vpressure vsteam vboiler vis
A. v5 vpsig v(35kPa)
B. v15 vpsig v(100 vkPa)
C. v100 vpsig v(690 vkPa)
D. v150 vpsig v(1035 vkPa) v- vcorrect vanswer-B
A vscotch vmarine vboiler vis vwhat vtype vof vboiler?
A. vTwo vpass vboiler
B. vCopper vtube vboiler
C. vFire vtube vboiler
D. vFour vpass vwater vtube vboiler v- vcorrect vanswer-C
A vfire vtube vboiler vhas:
A. vWater voutside vthe vtube vand vflue vgases voutside
B. vWater vinside vthe vtubes vand vflue vgasses voutside
C. vWater vinside vthe vtubes vand vwater voutside
D. vWater voutside vthe vtubes vand vflue vgases vinside v- vcorrect vanswer-D
Why vis va vpressure vrelief vvalve vinstalled von va vpool vheater vsystem?
A. vTo vmaintain vthe vpool vwater vlevel
B. vTo vprevent vover vpressurizing vthe vfilter
C. vTo vprevent vdamage vto vthe vsystem
D. vTo vrelieve vexcess vwater vpressure vcaused vby vsolar vgun v- vcorrect vanswer-C
When vdoes van velectrically voperated vautomatic vvent vdamper von va vmid-efficiency
vfurnace vopen?
A. vBefore vthe vignition vcycle v
B. vWhen vthe vfurnace vis vhot v
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