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MAINE GAS EXAM WITH QUESTIONS AND ANSWERS.
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MAINE GAS EXAM WITH QUESTIONS AND ANSWERS.MAINE GAS EXAM WITH QUESTIONS AND ANSWERS.
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MAINE GAS EXAM WITH QUESTIONSAND ANSWERS
Minimum nvertical nheight nfor na nType nB-W ngas nvent nabove nthe nbottom nof na nwall nfurnace? n- n
ncorrect nanswer- n12 nFeet
Minimum nthickness nof na nsteel nstriker nbarrier nfor ngas ntubing nprotection? n- n ncorrect nanswer-
n0.0508"
What nis nthe nmaximum ntemp nthat na nclay nflue nliner nmust nbe nable nto nwithstand nwithout
ncracking? n- n ncorrect nanswer- n1,800 ndegrees nF
Combustion nair nobtained nfrom nindoors non nthe nsame nstory nshall nhave na nminimum nof... n- n
ncorrect nanswer- nTwo nopenings
When ngas nis nbeing nsupplied nby na nmanifold nlocated nin na nremote narea, nwhat nis nthe nmaximum
ndistance nthe nshutoff nvalve nat nthe nmanifold ncan nbe nlocated nfrom nthe nappliance? n- n ncorrect
nanswer- n50 nfeet
What nreference nstandard ncovers nthe nstorage nof nliquid npropane ngas? n- n ncorrect nanswer- nNFPA
n58
, A nservice nstation nis nbeing nbuilt nwith none nboiler n28 nfeet naway nfrom nthe nmeter nthat nuses
nnatural ngas; nall nother nequipment nis nelectric. nWhat nsize nK nor nL nsemi-rigid ncopper ntubing nshould
nbe ninstalled nto nsupply n205 ncu. nft. nof ngas nper nhour nwith nan ninlet npressure nless nthan n2 npsi,
npressure ndrop nof n0.3 nin. nW.C. nand na nspecific ngravity nof n0.60? n- n ncorrect nanswer- n1 n"
Maximum ndistance na ngas nshut-off nvalve ncan nbe ninstalled nfrom nthe nequipment nit nserves? n- n
ncorrect nanswer- n6 nfeet
Maximum ndistance noff nthe nceiling nof nthe nroom nshall nan nindoor ncombustion nair nopening nbe
ninstalled? n- n ncorrect nanswer- n12"
What nis nthe nminimum nrequired nclearance nfor nan nunlisted npool nheater non nall nsides nand nrear? n-
n ncorrect nanswer- n12"
Flanges nused nfor ngas npiping nshall nhave ngaskets nmade nof nan napproved nmaterial ndesigned nto
nwithstand ntemperatures, npressure nand nchemical nconstituents nof nthe ngas. nWhich nof nthe
nfollowing ngasket nmaterials nis nnot nacceptable? n- n ncorrect nanswer- nRubber
When ncorrosive nor nflammable nfumes nor ngases nare npresent nnear nappliances, na nsafe ndisposal
nmethod nshall nbe nprovided. nAll nof nthe nfollowing nare nconsidered nflammable nor ncorrosive
nEXCEPT?! n- n ncorrect nanswer- nAnhydrous nCitric nAcid
When na nmechanical nappliance nis ninstalled nin nan nexcavation ndeeper nthan n12", nwhat nshall nthe
nexcavation nbe nlined nwith? n- n ncorrect nanswer- nCopper npan
Which ntype nof nregulator nis nused nin nseries nwith nan nanother npressure nregulator nfor nthe npurpose
nof nautomatically ntaking nover nin nan nemergency nthe ncontrol nof nthe npressure ndown nstream nin
ncase nthe npressure ntends nto nexceed na nset nmaximum? n- n ncorrect nanswer- nMonitoring
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