HVAC JOURNEYMAN EXAM WITH
CORRECTLY ANSWERED QUESTIONS
Defects son sgas spiping sor sfittings sshall sbe s_____.(A) srepaired(B) sreplaced sor
srepaired sand sretested(C) srepaired sby sa scertified swelder(D) signored, sas sthe
soperating spressure sis smuch sless sthan sthe sair stest. s- s✔✔B. sFitting sshall sbe
sreplaced sor srepaired sand sretested. sUMC sSection s1316.4.3
Every sabsorption srefrigerating ssystem ssupported sfrom sthe sground sshall srest son sa
sconcrete sslab sextending snot sless sthan s_____ sthe sadjoining sground slevel.(A) s3
sinches sbelow(B) s3 sinches sabove s(C) s6 sinches sbelow(D) s6 sinches sabove. s- s✔✔B.
sSlab sextending snot sless sthan s3" sabove sthe sadjoining sground slevel. sUMC sSection
s1106.2
Any spart sof sa sventing ssystem sinstalled sat san sangle sgreater sthan s45 sdegrees sfrom
sthe svertical sis sconsidered sby scode sto sbe s_____.(A) svertica(B) shorizontal sl s(C) sa
sflat svent s(D) san soffset svent s- s✔✔B. sany spart sof sthe sventing sinstalled sat san sangle
sGREATER sthan s45 sdegrees sis sconsidered sby sthis scode sto sbe sHorizontal sUMC
sSection s802.6.1.1
Listed stransition sducts sf sor sclothes sdryers sshall snot sexceed_____ sfeet sin slength.
sA.3 sB.4 sC.5 sD.6. s- s✔✔D. sDryers sshall snot sexceed s6 sfeet sin slength. sUMC sSection
s504.3.2.1
Industrial sproduct-conveying sducts sand stheir sfittings sfor sabrasive sand snonabrasive
sdust sor ssolid smaterials sshall sbe sconstructed sof s_____.(A) ssheet smeta(B) spolyvinyl
schloride sl s(C) sfiberglass s(D) sA sand sC sapply s- s✔✔A. sShall sBe sConstructed sof
ssheet smetal. sUMC sSection. s5 s0 s6.1
Industrial sproduct-conveying sducts sand stheir sfittings sfor sabrasive sand snonabrasive
sdust sor ssolid smaterials sshall sbe sconstructed sof s_____.(A) ssheet smetal s((B)
spolyvinyl schloride sC) sfiberglass s(D) sA sand sC sapply s- s✔✔A s511.2
Unlisted svented sgas sfireplaces sshall shave sa sclearance sat sthe ssides sand srear sof
snot sless sthan s_____ sinches. sIs sthe sAnswer: sA. s10" sB. s12" sC s16" sD. s18". s- s✔✔D.
sclearance sof san sunlisted svented sgas sfireplace sat sthe ssides sand sthe srear snot sless
sthan s18". sUMC sSection s908.2(B)
, Leaks sin sgas spiping sshall sbe slocated s_____.(A) swith sa ssniffer(B) swith sa spresto-lite
sflame s(C) swith sa snoncorrosive sleak-detecting sfluid s(D) sby sincreasing sthe sair
spressure sduring sa stest suntil sthe sleaks sare sheard sas sa swhistle. s- s✔✔C. sleaks sin sa
sgas spiping sshall sbe slocated swith sa snon scorrosive sleak sdetecting sfluid. sUMC
sSection s1316.4.2
Condensate sdrain spiping sshall shave sa sslope sof snot sless sthan s_____ sinch sper sfoot.
sA s1⁄8" sB.¼" sC.½" sD. s1" s- s✔✔A. sSlope sof snot sless sthan s1/8" sper sfoot. sUMC
sSection s309.1
The sminimum sgauge sor ssize ssteel swire sused sto ssupport shorizontal smetal sducts s10
sinches sor sless sin ssize sis s_____. sA.14 sAWG sB.16 sAWG sC.18 sAWG sD.20 sAWG s-
s✔✔C. s18 sMinimum sGauge snote: sAWG sis sthe sabbreviation sfor s"gauge ssize" sTable
s6-7(B)
When ssmoke sdetectors sare srequired sas spart sof san sautomatic sshutoff ssystem, sthey
sshall sbe sinstalled sin sthe s_____. sA. sreturn sair sduct sahead sof sany sfresh-air sinlet(B)
smain ssupply sair sduct sserved sby ssuch sequipment(C) sfresh-air sinlet(D) smain sreturn
sand sthe smain ssupply sduct. s- s✔✔B. sshall sbe sinstalled sin sthe smain ssupply sair sduct
sserved sby sequipment. sUMC sSection s609.0(5)
The slargest sfuel-burning sappliance sallowed sin sa sroom s100'W sx s20'L sx s8'H swithout
scombustion sair sopeningsis s_____ sBtu.(A) s80,000 s(C) s140,000(B) s100,000 s(D)
s320,000 s- s✔✔31 sD. s701.2.1
Return sair sducts sthat sserve sa sdwelling sunit sshall sbe spermitted sto sbe sof s_____
sconstruction? sA.non-combustible sB. scombustible sC. srated sD. snone sof sthe sabove. s-
s✔✔B. sShall sbe spermitted sto sbe sof scombustible stype sUMC sSection s602.2 sEx s(1)
Solid sfuel-burning sappliances s_____ sbe sconnected sto sa sventing ssystem sthat sserves
sa sgas- sor soil-burningappliance.(A) sshall s(B) smay s(C) sshall snot(D) swith sspecial
sapproval smay s- s✔✔C. sappliances sshall snot sUMC sSection s802.5.5.1
Any sjoint sobtained sby sjoining sof smetal sparts swith salloys sthat smelt sat stemperatures
shigher sthan s840°F, sbut slowerthan sthe smelting stemperature sof sthe sparts sto sbe
sjoined, sis sa s_____ sjoint.(A) sbrazed(B) sfused s(D) ssoldered s(C) swelded s- s✔✔A. sIs sa
sbrazed sjoint sUMC ssection s2 s1 s2.0
A svessel sor sarrangement sof spiping sor stubing sin swhich svaporized srefrigerant sis
sliquefied sby sremoval sof sheat sis sa s_____.(A) scompressor s(C) sevaporator(B)
sgenerator s(D) scondenser s- s✔✔D. sA scondenser sis sthe spiping swhich svaporizes sthe
srefrigerant sliquefied sby sremoval sof sheat, sUMC sSection s2 s0 s5.0
is sa s_____.(A) scompressor s(C) sevaporator(B) sgenerator s(D) scondenser s- s✔✔18 sD
s502.0
CORRECTLY ANSWERED QUESTIONS
Defects son sgas spiping sor sfittings sshall sbe s_____.(A) srepaired(B) sreplaced sor
srepaired sand sretested(C) srepaired sby sa scertified swelder(D) signored, sas sthe
soperating spressure sis smuch sless sthan sthe sair stest. s- s✔✔B. sFitting sshall sbe
sreplaced sor srepaired sand sretested. sUMC sSection s1316.4.3
Every sabsorption srefrigerating ssystem ssupported sfrom sthe sground sshall srest son sa
sconcrete sslab sextending snot sless sthan s_____ sthe sadjoining sground slevel.(A) s3
sinches sbelow(B) s3 sinches sabove s(C) s6 sinches sbelow(D) s6 sinches sabove. s- s✔✔B.
sSlab sextending snot sless sthan s3" sabove sthe sadjoining sground slevel. sUMC sSection
s1106.2
Any spart sof sa sventing ssystem sinstalled sat san sangle sgreater sthan s45 sdegrees sfrom
sthe svertical sis sconsidered sby scode sto sbe s_____.(A) svertica(B) shorizontal sl s(C) sa
sflat svent s(D) san soffset svent s- s✔✔B. sany spart sof sthe sventing sinstalled sat san sangle
sGREATER sthan s45 sdegrees sis sconsidered sby sthis scode sto sbe sHorizontal sUMC
sSection s802.6.1.1
Listed stransition sducts sf sor sclothes sdryers sshall snot sexceed_____ sfeet sin slength.
sA.3 sB.4 sC.5 sD.6. s- s✔✔D. sDryers sshall snot sexceed s6 sfeet sin slength. sUMC sSection
s504.3.2.1
Industrial sproduct-conveying sducts sand stheir sfittings sfor sabrasive sand snonabrasive
sdust sor ssolid smaterials sshall sbe sconstructed sof s_____.(A) ssheet smeta(B) spolyvinyl
schloride sl s(C) sfiberglass s(D) sA sand sC sapply s- s✔✔A. sShall sBe sConstructed sof
ssheet smetal. sUMC sSection. s5 s0 s6.1
Industrial sproduct-conveying sducts sand stheir sfittings sfor sabrasive sand snonabrasive
sdust sor ssolid smaterials sshall sbe sconstructed sof s_____.(A) ssheet smetal s((B)
spolyvinyl schloride sC) sfiberglass s(D) sA sand sC sapply s- s✔✔A s511.2
Unlisted svented sgas sfireplaces sshall shave sa sclearance sat sthe ssides sand srear sof
snot sless sthan s_____ sinches. sIs sthe sAnswer: sA. s10" sB. s12" sC s16" sD. s18". s- s✔✔D.
sclearance sof san sunlisted svented sgas sfireplace sat sthe ssides sand sthe srear snot sless
sthan s18". sUMC sSection s908.2(B)
, Leaks sin sgas spiping sshall sbe slocated s_____.(A) swith sa ssniffer(B) swith sa spresto-lite
sflame s(C) swith sa snoncorrosive sleak-detecting sfluid s(D) sby sincreasing sthe sair
spressure sduring sa stest suntil sthe sleaks sare sheard sas sa swhistle. s- s✔✔C. sleaks sin sa
sgas spiping sshall sbe slocated swith sa snon scorrosive sleak sdetecting sfluid. sUMC
sSection s1316.4.2
Condensate sdrain spiping sshall shave sa sslope sof snot sless sthan s_____ sinch sper sfoot.
sA s1⁄8" sB.¼" sC.½" sD. s1" s- s✔✔A. sSlope sof snot sless sthan s1/8" sper sfoot. sUMC
sSection s309.1
The sminimum sgauge sor ssize ssteel swire sused sto ssupport shorizontal smetal sducts s10
sinches sor sless sin ssize sis s_____. sA.14 sAWG sB.16 sAWG sC.18 sAWG sD.20 sAWG s-
s✔✔C. s18 sMinimum sGauge snote: sAWG sis sthe sabbreviation sfor s"gauge ssize" sTable
s6-7(B)
When ssmoke sdetectors sare srequired sas spart sof san sautomatic sshutoff ssystem, sthey
sshall sbe sinstalled sin sthe s_____. sA. sreturn sair sduct sahead sof sany sfresh-air sinlet(B)
smain ssupply sair sduct sserved sby ssuch sequipment(C) sfresh-air sinlet(D) smain sreturn
sand sthe smain ssupply sduct. s- s✔✔B. sshall sbe sinstalled sin sthe smain ssupply sair sduct
sserved sby sequipment. sUMC sSection s609.0(5)
The slargest sfuel-burning sappliance sallowed sin sa sroom s100'W sx s20'L sx s8'H swithout
scombustion sair sopeningsis s_____ sBtu.(A) s80,000 s(C) s140,000(B) s100,000 s(D)
s320,000 s- s✔✔31 sD. s701.2.1
Return sair sducts sthat sserve sa sdwelling sunit sshall sbe spermitted sto sbe sof s_____
sconstruction? sA.non-combustible sB. scombustible sC. srated sD. snone sof sthe sabove. s-
s✔✔B. sShall sbe spermitted sto sbe sof scombustible stype sUMC sSection s602.2 sEx s(1)
Solid sfuel-burning sappliances s_____ sbe sconnected sto sa sventing ssystem sthat sserves
sa sgas- sor soil-burningappliance.(A) sshall s(B) smay s(C) sshall snot(D) swith sspecial
sapproval smay s- s✔✔C. sappliances sshall snot sUMC sSection s802.5.5.1
Any sjoint sobtained sby sjoining sof smetal sparts swith salloys sthat smelt sat stemperatures
shigher sthan s840°F, sbut slowerthan sthe smelting stemperature sof sthe sparts sto sbe
sjoined, sis sa s_____ sjoint.(A) sbrazed(B) sfused s(D) ssoldered s(C) swelded s- s✔✔A. sIs sa
sbrazed sjoint sUMC ssection s2 s1 s2.0
A svessel sor sarrangement sof spiping sor stubing sin swhich svaporized srefrigerant sis
sliquefied sby sremoval sof sheat sis sa s_____.(A) scompressor s(C) sevaporator(B)
sgenerator s(D) scondenser s- s✔✔D. sA scondenser sis sthe spiping swhich svaporizes sthe
srefrigerant sliquefied sby sremoval sof sheat, sUMC sSection s2 s0 s5.0
is sa s_____.(A) scompressor s(C) sevaporator(B) sgenerator s(D) scondenser s- s✔✔18 sD
s502.0
