NCCER Industrial Exam Study Guide Questions With Answers

NCCER Industrial Exam Study Guide
Questions With Answers

multiple |chemical |sensitivity |- |correct |answer |-Persons |who |perceive |they |are |vulnerable |to |exposure |
to |certain |chemicals |and |/ |or |combinations |of |chemicals |may |suffer |from



more |susceptible |to |poor |IAQ |- |correct |answer |-Buildings |that |have |low |air |- |exchange |rates |are



20 |percent |- |correct |answer |-A |building |is |said |to |have |sick |- |building |syndrome |when |more |than |
what |percent |of |its |occupants |complain |during |a |two |- |week |period |of |symptoms |that |are |alleviated |
when |the |occupants |leave |the |building |?



occur |after |a |single |, |high |- |dose |exposure |- |correct |answer |-Short |- |term |or |immediate |effects |of |
human |exposure |to |poor |IAQ |may



cancer |- |correct |answer |-Which |of |the |following |is |a |possible |long |- |term |effected |of |exposure |to |
indoor |air |pollutants |?



IEQ |- |correct |answer |-IAQ |is |an |integral |part |of



prevailing |wind |conditioned |at |the |site |- |correct |answer |-To |get |proper |ventilation |- |damper |building's
|HVAC |equipment |, |once |should |consider |outside |- |air |duct |locations |, |neighboring |pollutant |

orientation |and |adequate |filtration |systems |into |the |design |of |a |new |sources |and |the



Achieving |good |indoor |air |quality |begins |with |initial |building |design |, |sitting |, |and |construction |- |
correct |answer |-Which |of |the |following |is |a |true |statement |?



1,000 |- |correct |answer |-A |ventilation |problem |may |exist |when |the |carbon |dioxide |level |in |a |room |
exceeds |how |many |parts |per |million |(ppm) |?



soil |and |rocks |- |correct |answer |-The |most |common |source |of |radon |is |uranium |in

, sub |- |slab |depressurization |- |correct |answer |-Which |of |the |following |is |a |common |method |for |
reducing |radon |in |a |building |?



the |breathing |of |the |building's |human |occupants |- |correct |answer |-High |levels |of |carbon |dioxide |in |a |
building |can |result |from



properly |sealing |all |ducts |during |installation |- |correct |answer |-The |best |solution |to |air |- |duct |leakage |
problems |is



bacteria |- |correct |answer |-Ultraviolet |light |is |used |to |control



gaseous |vapors |- |correct |answer |-Activated |charcoal |filters |are |used |mainly |to |remove



If |an |HVAC |contractor |detects |an |IAQ |problem |during |routine |maintenance |, |the |contractor |- |correct |
answer |-Which |of |the |following |statements |is |true |?



replaced |- |correct |answer |-To |control |microbial |contaminants |, |water |- |damaged |ceiling |tiles |should |
be



locate |outside |air |intakes |away |from |where |motor |vehicle |emissions |collect |- |correct |answer |-One |
way |to |prevent |chemical |contaminants |from |degrading |a |building's |indoor |air |quality |is |to



properly |balancing |the |building's |air |supply |and |the |exhaust |system |- |correct |answer |-IAQ |problems |
resulting |from |teh |creation |of |negative |pressure |areas |in |a |building |due |to |insufficient |outdoor |
makeup |air |may |be |corrected |by



air |handling |and |VAV |systems |- |correct |answer |-An |automated |building |- |management |system |
communicates |directly |with |the |building's



dry |bulb |- |correct |answer |-What |scale |on |a |psychrometric |chart |can |also |be |referred |to |as |the |
sensible |heat |scale |?