SHEET METAL JOURNEYMEN'S TEST
(ANSWERS)
Horizontal p1 p1/4" pcopper ptubing pshall pbe psupported pat pwhat pMAXIMUM pdistances?
p- p✔✔6 pft
The preturn pair pduct pto pa pblower ptype pwarm pair pfurnace pis pbeing preplaced, phow
pmany psq. pinches pof pfree pair pare prequired pper p1,000 pBTUH pof prated pcapacity pof
pthe pfurnace? p- p✔✔2"
What pdevice pis pinstalled pto pprevent pa pback pdraft poccurring pin pan pappliance? p-
p✔✔Draft pHood
GIVEN: pA pmachinery proom pventilation psystem pis pto pbe pinstalled. pIt pterminates pon
pthe proof. pAn poutside pgrille pis pserving pan pair pconditioning psystem pin pthe
ppenthouse. pWhat pis pthe pMINIMUM pclearance pbetween pthe pdischarge poutlet pfor
pthe pvent psystem pand pthe pintake pfor pthe pair pconditioning psystem? p- p✔✔20'
A pchimney pfor presidential ptype por plow-heat pappliances pshall pexceed pat pleast
p__________ pfeet pabove pthe phighest ppoint pwhere pit ppasses pthrough pa proof pof pa
pbuilding. p- p✔✔3
A ppair pof pstrap phangers pat p2.2m pspacing pfor pa p1000 px p1000 pmm pduct pshould pbe
p__________ p. p- p✔✔25.4 px p1.31
A pchimney pfor pa plow-heat pappliance pmust pwithstand pa pcontinuous pflue pgas
ptemperature pnot pexceeding p__________ pF°. p- p✔✔1000
A pchimney pfor pa pmedium-heat pappliance pshall pextend pat pleast p__________ pfeet
phigher pthan pany pportion pof pany pbuilding pwithin p__________ pfeet. p- p✔✔10, p25
The ptermination ppoint pfor pa pduct pintended pto pexhaust pflammable pvapors pshall pbe
plocated pa pminimum pof p__________ pfeet pfrom pany pproperty pline. p- p✔✔30
At pleast p__________feet pof pclearance pshall pbe pavailable pbetween pthe paccess
popening pand pthe pedge pof pthe proof. p- p✔✔6
Outdoor pair popenings pshall pbe ppermitted pto pbe plocated pless pthan p10 pfeet
phorizontally pfrom pa pstreet, palley, pparking plot por ploading pdock, pproviding pthe
, popenings pare plocated pnot pless pthan p__________ pfeet pvertically pabove psuch
plocations. p- p✔✔25
Flat poval pduct pconstruction pshall pbe pcapable pof pwithstanding pa ppressure
p__________% pgreater pthan pthat pof pthe passigned ppressure pclass pwithout pstructural
pfailure por ppermanent pdeformation. p- p✔✔50
Supply pand preturn pair pducts pin pnon-hazardous plocations pshall pbe psupported pat
pintervals pof pno pgreater pthan: p- p✔✔10'
An pintake pventilator pmeasuring p14 psquare pfeet pshould pbe pmade pof p__________
pga. pmaterial. p- p✔✔20
A pdraft phood pis plocated pso pthe prelief popening pis pnot pless pthan p_____" pfrom pany
psurface pexcept pthat pof pthe pappliance pit pserves. p- p✔✔6
A pduct pis ppermitted pto ppenetrate pthree pfloors por pless pwithout pa pfire pdamper pat
peach pfloor pas plong pas pthe pduct pdoes pnot pexceed p_____" pnominal pdiameter. p-
p✔✔4
A plisted pgas pwater pheater pwith pa pdraft phood pand pa psingle pwall pmetal pvent
pconnector pneeds pto phave phow pmuch pclearance pto pcombustible pmaterial? p- p✔✔6"
Refrigerant pis prated pfor psafety pby ptoxicity pand: p- p✔✔flammability
Given: pYou pare prunning pa pgas pline pand pneed pto pboar pa phole pin pa pjoist. pWhat pis
pthe pclearance pfrom pthe ptop pto pthe pbottom pof pthe pjoist? p- p✔✔2"
The ppurpose pof pa pflame psafeguard pon pa pboiler pis pto: p- p✔✔monitor ppilot por pmain
pburner
The pmaximum pgas ppressure pthat pis pallowed pinside pof pa pbuilding pis: p- p✔✔5 ppsi
At pwhat ptemperature pdoes pduct pwork pneed pto pbe pinsulated? p- p✔✔when pit
pexceeds p120°F
The pminimum pclearance pto pcombustible pconstruction pfor pexhaust pserving pa pType
p1 phood pis: p- p✔✔18"
Disregarding pexceptions, pall pboilers pneed pa pshut-off pvalve pin pthe: p- p✔✔supply p&
preturn
A phealth pclub pwith pa pshower proom pthat pmeasures p10' px p10' pand phas p4 pshower
pheads pshall phave pan pintermittent pexhaust pcapable pof p__________ pCFM. p-
p✔✔200
(ANSWERS)
Horizontal p1 p1/4" pcopper ptubing pshall pbe psupported pat pwhat pMAXIMUM pdistances?
p- p✔✔6 pft
The preturn pair pduct pto pa pblower ptype pwarm pair pfurnace pis pbeing preplaced, phow
pmany psq. pinches pof pfree pair pare prequired pper p1,000 pBTUH pof prated pcapacity pof
pthe pfurnace? p- p✔✔2"
What pdevice pis pinstalled pto pprevent pa pback pdraft poccurring pin pan pappliance? p-
p✔✔Draft pHood
GIVEN: pA pmachinery proom pventilation psystem pis pto pbe pinstalled. pIt pterminates pon
pthe proof. pAn poutside pgrille pis pserving pan pair pconditioning psystem pin pthe
ppenthouse. pWhat pis pthe pMINIMUM pclearance pbetween pthe pdischarge poutlet pfor
pthe pvent psystem pand pthe pintake pfor pthe pair pconditioning psystem? p- p✔✔20'
A pchimney pfor presidential ptype por plow-heat pappliances pshall pexceed pat pleast
p__________ pfeet pabove pthe phighest ppoint pwhere pit ppasses pthrough pa proof pof pa
pbuilding. p- p✔✔3
A ppair pof pstrap phangers pat p2.2m pspacing pfor pa p1000 px p1000 pmm pduct pshould pbe
p__________ p. p- p✔✔25.4 px p1.31
A pchimney pfor pa plow-heat pappliance pmust pwithstand pa pcontinuous pflue pgas
ptemperature pnot pexceeding p__________ pF°. p- p✔✔1000
A pchimney pfor pa pmedium-heat pappliance pshall pextend pat pleast p__________ pfeet
phigher pthan pany pportion pof pany pbuilding pwithin p__________ pfeet. p- p✔✔10, p25
The ptermination ppoint pfor pa pduct pintended pto pexhaust pflammable pvapors pshall pbe
plocated pa pminimum pof p__________ pfeet pfrom pany pproperty pline. p- p✔✔30
At pleast p__________feet pof pclearance pshall pbe pavailable pbetween pthe paccess
popening pand pthe pedge pof pthe proof. p- p✔✔6
Outdoor pair popenings pshall pbe ppermitted pto pbe plocated pless pthan p10 pfeet
phorizontally pfrom pa pstreet, palley, pparking plot por ploading pdock, pproviding pthe
, popenings pare plocated pnot pless pthan p__________ pfeet pvertically pabove psuch
plocations. p- p✔✔25
Flat poval pduct pconstruction pshall pbe pcapable pof pwithstanding pa ppressure
p__________% pgreater pthan pthat pof pthe passigned ppressure pclass pwithout pstructural
pfailure por ppermanent pdeformation. p- p✔✔50
Supply pand preturn pair pducts pin pnon-hazardous plocations pshall pbe psupported pat
pintervals pof pno pgreater pthan: p- p✔✔10'
An pintake pventilator pmeasuring p14 psquare pfeet pshould pbe pmade pof p__________
pga. pmaterial. p- p✔✔20
A pdraft phood pis plocated pso pthe prelief popening pis pnot pless pthan p_____" pfrom pany
psurface pexcept pthat pof pthe pappliance pit pserves. p- p✔✔6
A pduct pis ppermitted pto ppenetrate pthree pfloors por pless pwithout pa pfire pdamper pat
peach pfloor pas plong pas pthe pduct pdoes pnot pexceed p_____" pnominal pdiameter. p-
p✔✔4
A plisted pgas pwater pheater pwith pa pdraft phood pand pa psingle pwall pmetal pvent
pconnector pneeds pto phave phow pmuch pclearance pto pcombustible pmaterial? p- p✔✔6"
Refrigerant pis prated pfor psafety pby ptoxicity pand: p- p✔✔flammability
Given: pYou pare prunning pa pgas pline pand pneed pto pboar pa phole pin pa pjoist. pWhat pis
pthe pclearance pfrom pthe ptop pto pthe pbottom pof pthe pjoist? p- p✔✔2"
The ppurpose pof pa pflame psafeguard pon pa pboiler pis pto: p- p✔✔monitor ppilot por pmain
pburner
The pmaximum pgas ppressure pthat pis pallowed pinside pof pa pbuilding pis: p- p✔✔5 ppsi
At pwhat ptemperature pdoes pduct pwork pneed pto pbe pinsulated? p- p✔✔when pit
pexceeds p120°F
The pminimum pclearance pto pcombustible pconstruction pfor pexhaust pserving pa pType
p1 phood pis: p- p✔✔18"
Disregarding pexceptions, pall pboilers pneed pa pshut-off pvalve pin pthe: p- p✔✔supply p&
preturn
A phealth pclub pwith pa pshower proom pthat pmeasures p10' px p10' pand phas p4 pshower
pheads pshall phave pan pintermittent pexhaust pcapable pof p__________ pCFM. p-
p✔✔200
