ICA EXAM 1 QUESTIONS AND CORRECT ANSWERS
If cwater cinfiltration cis csuspected cbehind ca cfinished csurface. cWhat ctool cwould cbe cthe cbest cchoice cto cverify cdampness? c-
cCORRECT cANS✔✔a cnon-contact cmoisture cmeter
Gas-fired cfurnace cheat cexchangers cmost coften cfail cfrom c- cCORRECT cANS✔✔rust cand cmetal cfatigue
Relative cHumidity c(RH) cis cexpressed cas c- cCORRECT cANS✔✔percentage
Connections cof cdissimilar cmetal cin ca cplumbing csystem, csuch cas cgalvanized csteel cpipe cand ccopper cpipe, cwill cusually ccause c-
cCORRECT cANS✔✔electrolysis
Which chas cthe cLEAST ceffect con cthe cdeflection cof ca cdimension clumber cfloor csystem? c- cCORRECT cANS✔✔joist cwidth
The cnormal cMAXIMUM crise cof cresidential cstair ctreads cis c- cCORRECT cANS✔✔7 c3/4 cinches c/ cdepth cis c10 cinches
An cungrounded creceptacle cmay cbe creplaced cby ca cground cfault ccircuit cinterrupter cinstalled c- cCORRECT cANS✔✔upstream
cfrom cthe creceptacle
Circuit cbreakers c- cCORRECT cANS✔✔protect cthe cwire cfrom can celectrical coverload
In ca cforced cair cheating csystem ccontaining ca csplit csystem cair cconditioner cand ca chumidifier, chumidity cis creduced cby c-
cCORRECT cANS✔✔condensation cat cthe cevaporator ccoil
A chome cinspection creport cMUST cinclude c- cCORRECT cANS✔✔the cgeneral clife cexpectancy cof cthe croofing cmaterial
Water chammer ccan coccur cas ca cresult cof c- cCORRECT cANS✔✔a clack cof cair cchambers.
faulty cshutoff cvalves.
loose cpiping.
low cstatic cwater cpressure.
If ca csystem cdesigned cfor cuse cwith cnatural cgas cis csupplied cwith cpropane cgas c- cCORRECT cANS✔✔no cchanges care cneeded
cfor cthe cequipment cto cfunction cproperly.
the cflame cwill cbe ctoo chigh cunless ca csmaller corifice cis cinstalled.
the cflame cwill cbe ctoo clow cunless ca clarger corifice cis cinstalled.
the cgas cregulator cand cvalve cmust cbe creplaced.
When clooking cat cthe cexterior cwall cof ca csixty cyear cold cbrick cmasonry chouse cwith ca cgable croof, cyou cnotice ca chorizontal
ccrack cin cthe cmortar cand coutward cbrick cdisplacement calong cthe cgutter cedge cof cthe croof. cThe cdisplacement cis cgreatest cat
cthe ccenter cof cthe ctop cthree ccourses cof cbrick. cThis ccondition cis cMOST clikely ccaused cby c- cCORRECT cANS✔✔excessive
csand cin cthe cmortar cmix.
defective cbrick cbonding.
improper cceiling cjoist cinstallation.
differential csettlement.
You cinspect ca cwood cframed ccantilevered cbalcony coff ca csecond-story cbedroom. cYou cfind csignificant cwood cdeterioration c(at
cleast cone-half cmember cdepth) cof call ccantilever cjoists cat cthe cbearing cpoint cof cthe chouse. cYou cshould c- cCORRECT
cANS✔✔notify cthe coccupants cof cthe csignificant chazard, cadvise cimmediate crepair cto cboth cthe coccupant cand cclient cin cthe
creport.
note cthe csignificant chazard cand crecommend cimmediate crepair, cby clicensed cprofessional, cin cyour creport.
refer cthe cwood cdeterioration cto ca cstructural cpest ccontrol coperator cfor cprofessional copinion.
recommend csistering cexisting cframing cmembers cto cincrease cstrength, cprior cto cfurther cuse.
When ca ccooling cunit cis clocated cin can cattic cwhere cdamage cmay cresult cfrom ccondensate coverflow c- cCORRECT cANS✔✔attic
cventilation cmust cbe cincreased cto cavoid ccondensation.
steel cducting cis cnot callowed cbecause cof cpotential cdamage cfrom ccondensation.
an cauxiliary ccondensate cdrain csystem cis crequired.
a csupplemental ccondensate cpump cis crequired.
Asphalt cshingles care cNOT callowed cto cbe cinstalled con croofs cwith cslopes cless cthan c- cCORRECT cANS✔✔1 cin c12.
2 cin c12.
, 3 cin c12.
4 cin c12.
If ca cpoured cconcrete cfoundation chas can cunusually clarge cnumber cof cvertical ccracks, ceach cno cwider cthan c1/32 cinch, cthe
ccause cis clikely cto cbe c- cCORRECT cANS✔✔differential csettlement cfrom cadverse cdrainage cconditions.
excessive camounts cof caggregate cin cthe cconcrete cmix.
settlement cfrom ccompaction cof csoils cbelow cthe cfootings.
shrinkage cof cthe cconcrete cfrom cexcess cwater cat cthe ctime cof cpouring.
Where cshould csquash cblocks c(web cblocking) cbe cfound cin ca cwood cI-joist cfloor csystem? c- cCORRECT cANS✔✔at cbearing
cends cand cload cbearing cwalls cabove cwith csupport cgirders cbelow
at cbearing cends cand call csplices
at cbearing cends cand cplumbing cpenetrations
at cperimeter cends, cplumbing cpenetrations, cand csplices cover cgirders
Columns ctypically csupport c- cCORRECT cANS✔✔footers.
walls.
girders.
joists.
In cnew cconstruction, cthe cMINIMUM coverhead celectrical cservice cclearances care c- cCORRECT cANS✔✔walkway: c8 cfeet,
croadway: c16 cfeet, cdeck: c10 cfeet
walkway: c9 cfeet, croadway: c15 cfeet, cdeck: c12 cfeet
walkway: c10 cfeet, croadway: c18 cfeet, cdeck: c10 cfeet
walkway: c12 cfeet, croadway: c20 cfeet, cdeck: c12 cfeet
During ca csummertime cinspection, cwhat ccould cindicate cchronic ccondensation cproblems cin can cattic? c- cCORRECT cANS✔✔The
cattic cis cvery cwarm.
There cis cno cvapor cretarder con cthe cinsulation.
There care cgray/black cstains con cthe cnorth cside croof csheathing.
There care cmildew cstains con cthe cbathroom cceilings.
Ice cdamming cat cthe ceaves cmay cbe ccaused cby c- cCORRECT cANS✔✔inadequate cattic cinsulation.
undersized cgutters.
shallow croof cslope.
improper cflashing.
The cpurpose cof cflashing con ca croof cis cto c- cCORRECT cANS✔✔shed cwater conto croofing cmaterials.
seal croof cshingles cto cvertical csurfaces.
protect croofing cmaterial.
join cdifferent croofing cmaterials.
The chouse cyou care cinspecting ccurrently chas ca cgas-fired cfurnace cor cboiler. cEach cof cthe cfollowing cclues cmay cindicate cthat
cthe chouse calso chas can cabandoned cburied cfuel coil cstorage ctank cEXCEPT c- cCORRECT cANS✔✔small cdiameter ccopper
ctubes cemerging cfrom cthe cinside cof cthe cfoundation cwan cor cthe cfloor cnear cthe cfurnace cor cboiler
an capproximately c1 c1/4 cinch cdiameter cvent cpipe coutside ccoming cfrom cunderground cup cagainst cthe cfoundation
the cbrick cchimney cserving cthe cfurnace cor cboiler chas cdeteriorated cmortar cjoints cat cthe cbottom
your cknowledge cthat cthe cneighborhood chad cor cstill chas csome chouses cserved cby coil cheat
While cinspecting ca cheat cpump cin cthe ccooling cmode, cyou cmeasure ca c28 cdegrees cF ctemperature cdifferential cbetween cthe
cinterior csupply cand creturn cair. cYou cshould csuspect c- cCORRECT cANS✔✔an cexterior cfan crunning ctoo cslowly.
an coverheating ccompressor.
a cdirty cfilter.
a cthermostat cset ctoo clow.
What cis cthe cMINIMUM celectrical cservice cdrop cclearance cfrom ca cresidential cdriveway? c- cCORRECT cANS✔✔12 cfeet
13 cfeet
15 cfeet
18 cfeet
Roof ctruss cuplift ccan ccause ccracks cto cform c- cCORRECT cANS✔✔above cexterior cdoors cand cwindows.
at cinterior cwall/ceiling cintersections.
in cbottom cchords cof croof ctrusses.
in ctop cchords cof croof ctrusses.
When cmeasuring cthe ctemperature cdrop cacross cthe cevaporator cin ca ccentral cair cconditioning csystem, ca cproperly crunning cunit
con ca chumid csummer cday cshould cread cbetween c- cCORRECT cANS✔✔5° cF cand c15° cF
15° cF cand c25° cF
25° cF cand c35° cF
35° cF cand c45° cF
Knob cand ctube cwiring cmay cbe cacceptable cif c- cCORRECT cANS✔✔the chome cis cinsulated cwith cfiberglass.
the ccircuit cbreaker csystem cis cproper.
not ccovered cby cinsulation.
the cfuse csystem cis cstill cin cplace.
If cwater cinfiltration cis csuspected cbehind ca cfinished csurface. cWhat ctool cwould cbe cthe cbest cchoice cto cverify cdampness? c-
cCORRECT cANS✔✔a cnon-contact cmoisture cmeter
Gas-fired cfurnace cheat cexchangers cmost coften cfail cfrom c- cCORRECT cANS✔✔rust cand cmetal cfatigue
Relative cHumidity c(RH) cis cexpressed cas c- cCORRECT cANS✔✔percentage
Connections cof cdissimilar cmetal cin ca cplumbing csystem, csuch cas cgalvanized csteel cpipe cand ccopper cpipe, cwill cusually ccause c-
cCORRECT cANS✔✔electrolysis
Which chas cthe cLEAST ceffect con cthe cdeflection cof ca cdimension clumber cfloor csystem? c- cCORRECT cANS✔✔joist cwidth
The cnormal cMAXIMUM crise cof cresidential cstair ctreads cis c- cCORRECT cANS✔✔7 c3/4 cinches c/ cdepth cis c10 cinches
An cungrounded creceptacle cmay cbe creplaced cby ca cground cfault ccircuit cinterrupter cinstalled c- cCORRECT cANS✔✔upstream
cfrom cthe creceptacle
Circuit cbreakers c- cCORRECT cANS✔✔protect cthe cwire cfrom can celectrical coverload
In ca cforced cair cheating csystem ccontaining ca csplit csystem cair cconditioner cand ca chumidifier, chumidity cis creduced cby c-
cCORRECT cANS✔✔condensation cat cthe cevaporator ccoil
A chome cinspection creport cMUST cinclude c- cCORRECT cANS✔✔the cgeneral clife cexpectancy cof cthe croofing cmaterial
Water chammer ccan coccur cas ca cresult cof c- cCORRECT cANS✔✔a clack cof cair cchambers.
faulty cshutoff cvalves.
loose cpiping.
low cstatic cwater cpressure.
If ca csystem cdesigned cfor cuse cwith cnatural cgas cis csupplied cwith cpropane cgas c- cCORRECT cANS✔✔no cchanges care cneeded
cfor cthe cequipment cto cfunction cproperly.
the cflame cwill cbe ctoo chigh cunless ca csmaller corifice cis cinstalled.
the cflame cwill cbe ctoo clow cunless ca clarger corifice cis cinstalled.
the cgas cregulator cand cvalve cmust cbe creplaced.
When clooking cat cthe cexterior cwall cof ca csixty cyear cold cbrick cmasonry chouse cwith ca cgable croof, cyou cnotice ca chorizontal
ccrack cin cthe cmortar cand coutward cbrick cdisplacement calong cthe cgutter cedge cof cthe croof. cThe cdisplacement cis cgreatest cat
cthe ccenter cof cthe ctop cthree ccourses cof cbrick. cThis ccondition cis cMOST clikely ccaused cby c- cCORRECT cANS✔✔excessive
csand cin cthe cmortar cmix.
defective cbrick cbonding.
improper cceiling cjoist cinstallation.
differential csettlement.
You cinspect ca cwood cframed ccantilevered cbalcony coff ca csecond-story cbedroom. cYou cfind csignificant cwood cdeterioration c(at
cleast cone-half cmember cdepth) cof call ccantilever cjoists cat cthe cbearing cpoint cof cthe chouse. cYou cshould c- cCORRECT
cANS✔✔notify cthe coccupants cof cthe csignificant chazard, cadvise cimmediate crepair cto cboth cthe coccupant cand cclient cin cthe
creport.
note cthe csignificant chazard cand crecommend cimmediate crepair, cby clicensed cprofessional, cin cyour creport.
refer cthe cwood cdeterioration cto ca cstructural cpest ccontrol coperator cfor cprofessional copinion.
recommend csistering cexisting cframing cmembers cto cincrease cstrength, cprior cto cfurther cuse.
When ca ccooling cunit cis clocated cin can cattic cwhere cdamage cmay cresult cfrom ccondensate coverflow c- cCORRECT cANS✔✔attic
cventilation cmust cbe cincreased cto cavoid ccondensation.
steel cducting cis cnot callowed cbecause cof cpotential cdamage cfrom ccondensation.
an cauxiliary ccondensate cdrain csystem cis crequired.
a csupplemental ccondensate cpump cis crequired.
Asphalt cshingles care cNOT callowed cto cbe cinstalled con croofs cwith cslopes cless cthan c- cCORRECT cANS✔✔1 cin c12.
2 cin c12.
, 3 cin c12.
4 cin c12.
If ca cpoured cconcrete cfoundation chas can cunusually clarge cnumber cof cvertical ccracks, ceach cno cwider cthan c1/32 cinch, cthe
ccause cis clikely cto cbe c- cCORRECT cANS✔✔differential csettlement cfrom cadverse cdrainage cconditions.
excessive camounts cof caggregate cin cthe cconcrete cmix.
settlement cfrom ccompaction cof csoils cbelow cthe cfootings.
shrinkage cof cthe cconcrete cfrom cexcess cwater cat cthe ctime cof cpouring.
Where cshould csquash cblocks c(web cblocking) cbe cfound cin ca cwood cI-joist cfloor csystem? c- cCORRECT cANS✔✔at cbearing
cends cand cload cbearing cwalls cabove cwith csupport cgirders cbelow
at cbearing cends cand call csplices
at cbearing cends cand cplumbing cpenetrations
at cperimeter cends, cplumbing cpenetrations, cand csplices cover cgirders
Columns ctypically csupport c- cCORRECT cANS✔✔footers.
walls.
girders.
joists.
In cnew cconstruction, cthe cMINIMUM coverhead celectrical cservice cclearances care c- cCORRECT cANS✔✔walkway: c8 cfeet,
croadway: c16 cfeet, cdeck: c10 cfeet
walkway: c9 cfeet, croadway: c15 cfeet, cdeck: c12 cfeet
walkway: c10 cfeet, croadway: c18 cfeet, cdeck: c10 cfeet
walkway: c12 cfeet, croadway: c20 cfeet, cdeck: c12 cfeet
During ca csummertime cinspection, cwhat ccould cindicate cchronic ccondensation cproblems cin can cattic? c- cCORRECT cANS✔✔The
cattic cis cvery cwarm.
There cis cno cvapor cretarder con cthe cinsulation.
There care cgray/black cstains con cthe cnorth cside croof csheathing.
There care cmildew cstains con cthe cbathroom cceilings.
Ice cdamming cat cthe ceaves cmay cbe ccaused cby c- cCORRECT cANS✔✔inadequate cattic cinsulation.
undersized cgutters.
shallow croof cslope.
improper cflashing.
The cpurpose cof cflashing con ca croof cis cto c- cCORRECT cANS✔✔shed cwater conto croofing cmaterials.
seal croof cshingles cto cvertical csurfaces.
protect croofing cmaterial.
join cdifferent croofing cmaterials.
The chouse cyou care cinspecting ccurrently chas ca cgas-fired cfurnace cor cboiler. cEach cof cthe cfollowing cclues cmay cindicate cthat
cthe chouse calso chas can cabandoned cburied cfuel coil cstorage ctank cEXCEPT c- cCORRECT cANS✔✔small cdiameter ccopper
ctubes cemerging cfrom cthe cinside cof cthe cfoundation cwan cor cthe cfloor cnear cthe cfurnace cor cboiler
an capproximately c1 c1/4 cinch cdiameter cvent cpipe coutside ccoming cfrom cunderground cup cagainst cthe cfoundation
the cbrick cchimney cserving cthe cfurnace cor cboiler chas cdeteriorated cmortar cjoints cat cthe cbottom
your cknowledge cthat cthe cneighborhood chad cor cstill chas csome chouses cserved cby coil cheat
While cinspecting ca cheat cpump cin cthe ccooling cmode, cyou cmeasure ca c28 cdegrees cF ctemperature cdifferential cbetween cthe
cinterior csupply cand creturn cair. cYou cshould csuspect c- cCORRECT cANS✔✔an cexterior cfan crunning ctoo cslowly.
an coverheating ccompressor.
a cdirty cfilter.
a cthermostat cset ctoo clow.
What cis cthe cMINIMUM celectrical cservice cdrop cclearance cfrom ca cresidential cdriveway? c- cCORRECT cANS✔✔12 cfeet
13 cfeet
15 cfeet
18 cfeet
Roof ctruss cuplift ccan ccause ccracks cto cform c- cCORRECT cANS✔✔above cexterior cdoors cand cwindows.
at cinterior cwall/ceiling cintersections.
in cbottom cchords cof croof ctrusses.
in ctop cchords cof croof ctrusses.
When cmeasuring cthe ctemperature cdrop cacross cthe cevaporator cin ca ccentral cair cconditioning csystem, ca cproperly crunning cunit
con ca chumid csummer cday cshould cread cbetween c- cCORRECT cANS✔✔5° cF cand c15° cF
15° cF cand c25° cF
25° cF cand c35° cF
35° cF cand c45° cF
Knob cand ctube cwiring cmay cbe cacceptable cif c- cCORRECT cANS✔✔the chome cis cinsulated cwith cfiberglass.
the ccircuit cbreaker csystem cis cproper.
not ccovered cby cinsulation.
the cfuse csystem cis cstill cin cplace.
