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NEW JERSEY RADON TECHNICIAN REVIEW UPDATE|EXAM QUESTIONS WITH MULTIPLE CHOICES |VERIFIED & REVISED ANSWERS (NEW)!!!

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NEW JERSEY RADON TECHNICIAN REVIEW UPDATE|EXAM QUESTIONS WITH MULTIPLE CHOICES |VERIFIED & REVISED ANSWERS (NEW)!!!

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42 pages

2025/2026

Institution New Jersey Radon Technician

Course New Jersey Radon Technician

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NEW JERSEY RADON TECHNICIAN REVIEW UPDATE|EXAM QUESTIONS WITH MULTIPLE CHOICES |VERIFIED & REVISED ANSWERS (NEW)!!!

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NEW JERSEY RADON TECHNICIAN
REVIEW UPDATE|EXAM
QUESTIONS WITH MULTIPLE
CHOICES |VERIFIED & REVISED
ANSWERS (NEW)!!!
(d)mismnotmdetectedmbymhumanmsenses,mismnaturallymoccurring,mdoesmnotmchemicallymreactm-
mCORRECTmANSWERmWhichmofmthemfollowingmaremcharacteristicsmofmradon?

(a)mhasmnomstaticmcharge,msolidmparticle,mdoesmnotmreactmchemically

(b)mismamgas,mradioactive,mcanmbemdetectedmbymhumanmsenses

(c)mismman-made,mdoesmnotmchemicallymreact,mismamgas

(d)mismnotmdetectedmbymhumanmsenses,mismnaturallymoccurring,mdoesmnotmchemicallymreact

(c)mprotonsmandmneutronsm-mCORRECTmANSWERmThemnucleusmofmanmatommconsistsmof:

(a)melectronsmandmprotons

(b)mneutronsmandmelectrons

(c)mprotonsmandmneutrons

(d)mprotons,mneutronsmandmelectrons

(c)mthemnumbermofmprotonsm-
mCORRECTmANSWERmThemcharacteristicmofmanmatommthatmdeterminesmwhichmelementmitmismis:

(a)mthemnumbermofmelectrons

(b)mthemnumbermofmneutrons

(c)mthemnumbermofmprotons

(d)mthemnumbermofmprotonsmandmneutrons

,(a)m0.4mpCi/Lmoutdoorsmandm1.3mpCi/Lmindoorsm-
mCORRECTmANSWERmThemannualmaveragemU.S.moutdoormandmindoormradonmlevelsmare:

(a)m0.4mpCi/Lmoutdoorsmandm1.3mpCi/Lmindoors

(b)m0.5mpCi/Lmoutdoorsmandm4.0mpCi/Lmindoors

(c)m0.6mpCi/Lmoutdoorsmandm4.0mpCi/Lmindoors

(d)m0.7mpCi/Lmoutdoorsmandm1.3mpCi/Lmindoors

(c)mhasmlostmormgainedmelectronsm-mCORRECTmANSWERmAnmionmismanmatommthat:

(a)mcannotmacceptmadditionalmelectrons

(b)mcannotmeliminatemadditionalmelectrons

(c)mhasmlostmormgainedmelectrons

(d)mhasmnomelectrons

(c)m2.22mdisintegrationsmpermminutemwithinmamlitermofmairm-
mCORRECTmANSWERmOnempicoCuriempermlitermofmradonmismdefinedmas:

(a)monembillionthmofmamCurie

(b)m2.22mdisintegrationsmpermminutempermgrammofmair

(c)m2.22mdisintegrationsmpermminutemwithinmamlitermofmair

(d)m37mbillionmdisintegrationsmpermsecond

(a)m4mhoursm-
mCORRECTmANSWERmItmtakesm_____mhoursmformradonmtomreachmsecularmequilibriummwithmitsmshor

t-livedmdecaymproducts.

(a)m4mhours

(b)m12mhours

(c)m24mhours

(d)m48mhours

,(b)m0.034mWLm-
mCORRECTmANSWERmIfmthemradonmconcentrationmism8mpCi/LmwhatmismthemWorkingmLevelmofmradon

mdecaymproductsmusingmcommonmassumptionsmofmequilibriummERm=m0.4?

(a)m0.024mWL

(b)m0.034mWL

(c)m0.040mWL

(d)m0.048mWL

(b)m7.5mpCi/Lm-
mCORRECTmANSWERmIfmthemWorkingmLevelmconcentrationmism0.03mWL,musingmcommonmassumptio

nsmofmequilibriumm(ERm=m0.4),mwhatmismthemradonmconcentrationminmthemroom?

(a)m10.0mpCi/L

(b)m7.5mpCi/L

(c)m6.0mpCi/L

(d)m5.0mpCi/L

(b)m0.6m-
mCORRECTmANSWERmIfmthemWorkingmLevelmconcentrationmism0.06mandmthemradonmconcentrationmi

sm10mpCi/L,mwhatmismthemEquilibriummRatio?

(a)m0.4

(b)m0.6

(c)m1.0

(d)m4.0

(d)mRadonm222moncemformed,mdisappearsminm3.8mdaysm-
mCORRECTmANSWERmWhichmofmthemfollowingmismanmINCORRECTmstatement?

(a)mRadonm222mismamradioactivemgas

, (b)mRadonm222mismdaymproductmofmradium

(c)mRadonm222mismanminertmgas

(d)mRadonm222moncemformed,mdisappearsminm3.8mdays

(a)mammeasurementmofm0.016mWLmofmradonmdecaymproductsmmeansm4mpCi/Lmofmradonmexistsminmth
emroomm-mCORRECTmANSWERmWhichmofmthemfollowingmismNOTmnecessarilymamcorrectmstatement?

(a)mammeasurementmofm0.016mWLmofmradonmdecaymproductsmmeansm4mpCi/Lmofmradonmexistsminmth
emroom

(b)monempicoCuriemismonemtrillionthmofmamCurie

(c)monempCi/Lmismequalmtom2.2mdisintegration'sminmamlitermofmairminmamminute

(d)mWLmismdefinedmasmthemalphamenergymreleasedmfrommradonmdecaymproducts

(b)mammeasuremofmthemamountmofmradiationmproducedmbymthemradonmdecaymproductsm-
mCORRECTmANSWERmWorkingmLevelmismammeasuremof:

(a)mamlocationmofmworkmwithinmamuraniummmine

(b)mammeasuremofmthemamountmofmradiationmproducedmbymthemradonmdecaymproducts

(c)mamtime-dosemmeasuremofmthemexposuremtomradonmdecaymproducts

(d)mammeasuremofmthemamountmofmradiationmproducedmbymradonmgas

(a)m13mpCi/Lm-mCORRECTmANSWERmOne-
hundredm(100)mpCi/Lmofmradonmisminsidemamradonmproofmcontainer.mIfmthemcontainermismre-
measuredminm11m1/2mdaysmlater,mapproximatelymhowmmuchmradonmismleftminmthemcounter?

(a)m13mpCi/L

(b)m25mpCi/L

(c)m50mpCi/L

(d)m75mpCi/L

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