Michigan Mechanical Code Flashcards
Any combination of outdoor and transfer air intended to replace exhaust air and exfiltration is ____.
air, make up
A tube or conduit utilized for conveying air is a ____.
duct
A mechanical joint is not ____.
welded
A permanent mechanical joint incorporating an elastormeric seal and corrosion resistant grip ring is a ____.
press joint
Plastic pipe, fittings, and components shall be ___- as conforming to NSF 14.
third party certified
Defective material or parts shall be ____ or repaired in such a manner to preserve its original listing.
replaced
In bearing partitions, wood studs shall not be cut or notched to a depth exceeding ____ percent of its depth.
25
Equipment 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.
18, listed
Equipment shall be suspended a minimum of ____ inches above adjoining grade.
6
1” CPVC pipe must have hangers every ____ feet horizontally and ____ feet vertically.
3, 10
Attics containing appliances shall be provided with an opening and unobstructed passageway not less than ____ inches wide.
22
Equipment on elevated structures or roofs above ____ requiring access must be provided with an interior or exterior access that does not require climbing over obstructions ____ high.
16 feet, 30 inches
Providing permanent access to equipment on a roof does not apply to ____.
R-3 occupancies
Using 24-gauge galvanized sheet metal spaced 1 inch off the combustible wall will permit a reduction from 36 inches to ____ inches to the vertical wall for an oil_fired furnace.
12
The clearance reduction methods shown in table 308.4.2 shall not be used to reduce the clearance of solid fuel burning appliances any less than ____.
12 inches
Outdoor intake and exhaust openings shall be located a minimum of ____ feet from lot lines or buildings on the same lot.
10
The amount of ventilation air required for a conference room is ____ cfm per person.
5
Repair garages require a minimum ____ of exhaust air flow.
.75cfm/ft2
Smoking lounges are allowed ____ people per 1,000 sq ft.
70
Variable air volume boxes shall be designed to regulate outdoor (added controls to control the amount of outdoor ait) air unless they provide ____ percent of outdoor air.
100
Mechanical ventilation systems for enclosed parking garages are not required to operate continuously when a carbon monoxide detector is installed until the level reaches ____ ppm.
25
Mechanical ventilation systems shall be provided with ____ controls that will operate the system whenever the spaces are occupied.
manual or automatic
The mechanical exhaust rate for a crawl space shall be no less than ___ cfm per square foot of horizontal area.
0.02
Crawl space ventilation must be a minimum 0.02 cfm per square foot and shall be automatically controlled to operate when the humidity exceeds ____%.
60
The air removed by every exhaust system shall be discharged ____.
outdoors
Only ____ fans can discharge their exhaust into the attic of dwelling units that have private attics.
whole house ventilation type
Flammable finish exhaust duct terminations shall be a minimum ____ feet from exterior walls and roofs.
6
The 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.
1
Clothes dryers exhausting more than ____ cfm requires make up air.
200
The maximum length of a clothes dryer exhaust is ____ feet.
35
Commercial type clothes dryers require the fan motors be located ____.
outside of the airstream
The grease duct clearance required when located within a shaft enclosure is ____ to the combustible construction.
18 inches
Type 1 exhaust outlets shall discharge a minimum of ____ above the roof.
40”
Clearances for Type 1 hoods shall be in accordance with ____.
NFPA 96-2014 editions (18” required)
