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HVAC Equipment Exam > Michigan Mechanical Code > Flashcards

Michigan Mechanical Code Flashcards

1
Q

Any combination of outdoor and transfer air intended to replace exhaust air and exfiltration is ____.

A

air, make up

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2
Q

A tube or conduit utilized for conveying air is a ____.

A

duct

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3
Q

A mechanical joint is not ____.

A

welded

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4
Q

A permanent mechanical joint incorporating an elastormeric seal and corrosion resistant grip ring is a ____.

A

press joint

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5
Q

Plastic pipe, fittings, and components shall be ___- as conforming to NSF 14.

A

third party certified

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6
Q

Defective material or parts shall be ____ or repaired in such a manner to preserve its original listing.

A

replaced

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7
Q

In bearing partitions, wood studs shall not be cut or notched to a depth exceeding ____ percent of its depth.

A

25

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8
Q

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.

A

18, listed

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9
Q

Equipment shall be suspended a minimum of ____ inches above adjoining grade.

A

6

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10
Q

1” CPVC pipe must have hangers every ____ feet horizontally and ____ feet vertically.

A

3, 10

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11
Q

Attics containing appliances shall be provided with an opening and unobstructed passageway not less than ____ inches wide.

A

22

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12
Q

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.

A

16 feet, 30 inches

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13
Q

Providing permanent access to equipment on a roof does not apply to ____.

A

R-3 occupancies

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14
Q

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.

A

12

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15
Q

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 ____.

A

12 inches

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16
Q

Outdoor intake and exhaust openings shall be located a minimum of ____ feet from lot lines or buildings on the same lot.

A

10

17
Q

The amount of ventilation air required for a conference room is ____ cfm per person.

A

5

18
Q

Repair garages require a minimum ____ of exhaust air flow.

A

.75cfm/ft2

19
Q

Smoking lounges are allowed ____ people per 1,000 sq ft.

A

70

20
Q

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.

A

100

21
Q

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.

A

25

22
Q

Mechanical ventilation systems shall be provided with ____ controls that will operate the system whenever the spaces are occupied.

A

manual or automatic

23
Q

The mechanical exhaust rate for a crawl space shall be no less than ___ cfm per square foot of horizontal area.

A

0.02

24
Q

Crawl space ventilation must be a minimum 0.02 cfm per square foot and shall be automatically controlled to operate when the humidity exceeds ____%.

A

60

25
Q

The air removed by every exhaust system shall be discharged ____.

A

outdoors

26
Q

Only ____ fans can discharge their exhaust into the attic of dwelling units that have private attics.

A

whole house ventilation type

27
Q

Flammable finish exhaust duct terminations shall be a minimum ____ feet from exterior walls and roofs.

A

6

28
Q

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.

A

1

29
Q

Clothes dryers exhausting more than ____ cfm requires make up air.

A

200

30
Q

The maximum length of a clothes dryer exhaust is ____ feet.

A

35

31
Q

Commercial type clothes dryers require the fan motors be located ____.

A

outside of the airstream

32
Q

The grease duct clearance required when located within a shaft enclosure is ____ to the combustible construction.

A

18 inches

33
Q

Type 1 exhaust outlets shall discharge a minimum of ____ above the roof.

A

40”

34
Q

Clearances for Type 1 hoods shall be in accordance with ____.

A

NFPA 96-2014 editions (18” required)

HVAC Equipment Exam (4 decks)

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