Exam (elaborations)
2024 Michigan Mechanical Code Questions and Answers 2024
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2024 Michigan Mechanical Code
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2024 Michigan Mechanical CodeWelded - answerA mechanical joint is not ________ .
make up air - answerAny combination of outdoor and transfer air intended to replace
exhaust air and exfiltration is ___________.
duct - answerA tube or conduit utilized for conveying air is a ___________ .
press joint - answerA permanent mechanical joint incorporating an elastomeric seal and
corrosion resistant grip ring is a __________ .
third party certified - answerPlastic pipe, fittings and components shall be ___________
as conforming to NSF 14.
replaced - answerDefective material or parts shall be ___________ or repaired in such
a manner to preserve its original listing.
25 - answerIn bearing partitions, wood studs shall not be cut or notched to a depth
exceeding __________ % of its depth.
18, listed - answerEquipment with an ignition source shall be elevated such that the
ignition source is not less than __________ inches above the garage floor unless the
appliance is _________ as flammable vapor ignition resistant.
6 - answerEquipment shall be suspended a minimum of ________ inches above the
adjoining grade.
22 - answerAttics containing appliances shall be provided with an opening and
unobstructed passageway not less than _________ inches wide.
16, 30 - answerEquipment on elevated structures or roofs above __________ feet
requiring access must be provided with an interior or exterior access that does not
require climbing over obstructions ________ inches high.
R-3 occupancies - answerProviding permanent access to equipment on a roof does not
apply to ____________ .
12 - answerThe clearance reduction methods shown in 308.4.2 shall not be used to
reduce the clearance of solid fuel burning appliances any less than _________ inches.
, 10 - answerOutdoor intake and exhaust openings shall be located a minimum of
_________ feet from lot lines or buildings on the same lot.
100 - answerVariable air volume boxes shall be designed to regulate outdoor air unless
they provide _________ % of outdoor air.
25 - answerMechanical ventilation systems for enclosed parking garages are not
required to operate continuously when a carbon monoxide detector is installed until the
level reaches ________ ppm.
manual or automatic - answerMechanical ventilation systems shall be provided with
________ controls that will operate the system whenever the spaces are occupied.
0.02 - answerThe mechanical exhaust rate for a crawl space shall be not less than
___________ cfm per square foot of horizontal area.
60 - answerCrawl space ventilation must be a minimum 0.02 cfm per square foot and
shall be automatically controlled to operate when the humidity exceeds ___________ %
outdoors, nuisance - answerThe air removed by every exhaust system shall be
discharged _____________ and at a point where it will not cause a ____________.
whole house ventilation type - answerOnly _________ fans can discharge their exhaust
into the attic of dwelling units that have private attics.
6 - answerFlammable finish exhaust duct terminations shall be a minimum
___________ feet from exterior walls and roofs.
1 - answerThe exhaust rate for hazardous materials stored in excess of the maximum
allowable quantity shall be provided at a rate of not less than __________ cfm/ft2 of the
storage floor area.
200 - answerClothes dryers exhausting more than ________ cfm requires make up air.
35 - answerThe maximum length of a clothes dryer duct is ___________.
outside of the airstream - answerCommercial type clothes dryers require the fan motors
be located ____________.
18 - answerThe grease duct clearance required when located within a shaft enclosure is
_________ inches to the combustible construction.
40 - answerType I exhaust outlets shall discharge a minimum of _________ inches
above the roof.
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