G2 Prep 1 Questions with Correct Answers
2025/2026 Rated A+
The best method of removing dust from a home is by - CORRECT ANSWER -filtration
When air is heated, its humidity level will - CORRECT ANSWER -decrease
The best way to deal against air leaks is to - CORRECT ANSWER -caulk
A depressurization test conducted on a house will help determine the - CORRECT ANSWER -
potential for pressure induced back drafting in the house
Vapor barriers should be installed on - CORRECT ANSWER -the warm side of the insulation
Air enters the through a process called - CORRECT ANSWER -infiltration
What is the most common cause of flue gas spillage from gas appliances - CORRECT ANSWER -
negative air pressure caused by mechanical systems
Conduction is - CORRECT ANSWER -the transfer of heat from particle to particle
Exhaust fans in a home will - CORRECT ANSWER -remove excess moisture from the home
After a direct vent radiant heating system is installed in a new house, the customer complains
that "the walls and windows are wet". From the following list choose the best corrective answer
- CORRECT ANSWER -reccomend the installation of a mechanical air system
, The instrument used to perform a passive depressurization test is a - CORRECT ANSWER -
magnehilic gauge
Theqbestqwayqtoqremoveqodorsqfromqaqhouseqisqtoq-QCORRECTQANSWERQ-ventilateqtheqhouse
Aqpoorlyqinsulatedqbuildingqcouldqresultqinq-QCORRECTQANSWERQ-increasedqfuelqconsumption
Dilutionqairqisqdefinedqasq-QCORRECTQANSWERQ-
theqaidqintroducedqatqtheqdraftqhoodqtoqassistqinqtheqventingqaction
Theqtwoqreadingsqrequiredqinformqobtainingqtheqhumidityqinqtheqairqareq-QCORRECTQANSWERQ-
dryqbulbqandqwetqbulbqtemp
Ifqcondensationqstartsqformingqonqwindowsqinqtheqhome,qwhatqactionqshouldqheqtakenq-
QCORRECTQANSWERQ-lowerqtheqhumidityqlevelqatqtheqhumidistat
Sinceq1996,qtheqmostqcommonqtypeqofqhomeqconstructionqisqcalledq-QCORRECTQANSWERQ-
platformqstyle
Aqcommercialqforcedqairqfurnaceqtransfersqheatqinqwhatqmedium?Q-QCORRECTQANSWERQ-
convective
Relativeqhumidityqisqdefinedqasq-QCORRECTQANSWERQ-
theqpercentageqofqmoistureqthatqaqquantityqofqairqisqholdingqinqrelationqtoqhowqmuchqitqcanqhold
Ifqtheqductworkqinqaqcrawlqspaceqcondensates,qwhatqcouldqheqdoneqtoqremedyqthisqproblem?Q-
QCORRECTQANSWERQ-externallyqinsulateqtheqduct
2025/2026 Rated A+
The best method of removing dust from a home is by - CORRECT ANSWER -filtration
When air is heated, its humidity level will - CORRECT ANSWER -decrease
The best way to deal against air leaks is to - CORRECT ANSWER -caulk
A depressurization test conducted on a house will help determine the - CORRECT ANSWER -
potential for pressure induced back drafting in the house
Vapor barriers should be installed on - CORRECT ANSWER -the warm side of the insulation
Air enters the through a process called - CORRECT ANSWER -infiltration
What is the most common cause of flue gas spillage from gas appliances - CORRECT ANSWER -
negative air pressure caused by mechanical systems
Conduction is - CORRECT ANSWER -the transfer of heat from particle to particle
Exhaust fans in a home will - CORRECT ANSWER -remove excess moisture from the home
After a direct vent radiant heating system is installed in a new house, the customer complains
that "the walls and windows are wet". From the following list choose the best corrective answer
- CORRECT ANSWER -reccomend the installation of a mechanical air system
, The instrument used to perform a passive depressurization test is a - CORRECT ANSWER -
magnehilic gauge
Theqbestqwayqtoqremoveqodorsqfromqaqhouseqisqtoq-QCORRECTQANSWERQ-ventilateqtheqhouse
Aqpoorlyqinsulatedqbuildingqcouldqresultqinq-QCORRECTQANSWERQ-increasedqfuelqconsumption
Dilutionqairqisqdefinedqasq-QCORRECTQANSWERQ-
theqaidqintroducedqatqtheqdraftqhoodqtoqassistqinqtheqventingqaction
Theqtwoqreadingsqrequiredqinformqobtainingqtheqhumidityqinqtheqairqareq-QCORRECTQANSWERQ-
dryqbulbqandqwetqbulbqtemp
Ifqcondensationqstartsqformingqonqwindowsqinqtheqhome,qwhatqactionqshouldqheqtakenq-
QCORRECTQANSWERQ-lowerqtheqhumidityqlevelqatqtheqhumidistat
Sinceq1996,qtheqmostqcommonqtypeqofqhomeqconstructionqisqcalledq-QCORRECTQANSWERQ-
platformqstyle
Aqcommercialqforcedqairqfurnaceqtransfersqheatqinqwhatqmedium?Q-QCORRECTQANSWERQ-
convective
Relativeqhumidityqisqdefinedqasq-QCORRECTQANSWERQ-
theqpercentageqofqmoistureqthatqaqquantityqofqairqisqholdingqinqrelationqtoqhowqmuchqitqcanqhold
Ifqtheqductworkqinqaqcrawlqspaceqcondensates,qwhatqcouldqheqdoneqtoqremedyqthisqproblem?Q-
QCORRECTQANSWERQ-externallyqinsulateqtheqduct