Large mercantile occupancy is that portion of premises where people:

numbering more than 100 persons, congregate on levels above or below street level, go to purchase personal merchandise

Commercial grease ducts systems serving a Type I hood shall have a clearance to:

combustible construction of not less than 18".

All wiring for smoke control systems, regardless of voltage:

shall be fully enclosed within continuous raceways.

Requirements for combustion and dilution air for gas-fired appliances shall be in accordance:

with the International Fuel Gas Code.

In order to determine the BTU/hr input of Natural Gas fuel burning appliance:

measure volume and time of the fuel consumed.

Equipment and appliances having an ignition source and located in garages shall be elevated so

the source of ignition is not less than 18" above the floor.

Domestic range hoods equipped with downdraft exhaust located within dwelling units:

shall discharge to the outdoors.

Guards shall be provided where equipment, roof hatches or other components that require service

are located within 10 feet of a roof edge.

Refrigerants, including refrigerant blends, with different designations in ASHRAE 34:

shall NOT be mixed in a system.

Underground inspection shall be made after trenches are excavated and bedded, piping installed,

and before backfill is put into place.

Protective assemblies shall not be placed less than 1" from mechanical appliances or devices:

regardless of the allowable reduced clearance.

Mechanical ventilation supply systems shall be designed to deliver the required rate of outdoor

airflow to the breathing zone within each occupiable space.

The clear access opening dimensions for attics containing appliances

shall be a minimum of 20" x 30" inches.

When authorized employees enforce this code they shall not be held liable,___________________.

when acting in good faith and without malice.

Condensate waste drain line size shall not be less than___________ to the place of disposal.

3/4" ID and shall not decrease in size from the drain pan

Where there is a conflict between a general and specific requirement, the______________.

specific requirement shall govern.

Ventilation air intake openings in residential occupancies shall have protective screens

with openings not less than 1/4" and not more than 1/2".

Locations of refrigerating systems are described by ________to respond to potential exposures.

occupancy classifications that consider people's ability

Passageways around all sides of boilers shall have an unobstructed width of:

not less than 18" unless otherwise approved.

Clothes dryer exhaust ducts shall not be connected or installed with sheet metal:

screws or other fasteners that will obstruct exhaust flow.

Interior spaces intended for human occupancy shall be capable of maintaining a min. temp. of:

68°F at a point 3 feet above the floor at it's design temp.

Public assembly occupancy is that portion of premises where large numbers of people congregate:

and from which occupants cannot quickly vacate the space.

Fuel-fired appliances shall not be located in, or obtain combustion air from __________.

Sleeping rooms, Bathrooms, Storage closets or Surgical rooms, Toilet rooms

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IMC Code Quiz

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1
Large mercantile occupancy is that portion of premises where people:
numbering more than 100 persons
congregate on levels above or below street level
no occupancy is permitted during business hours.
go to purchase personal merchandise
2
________________ air shall not be recirculated to occupiable areas.
Conditioned
Supply
Return
Contaminated
3
All steam and hot water boilers shall be provided with a __________-__________ cutoff control.
high-water
freeze-protection
low-water
high-voltage
4
All steam boilers shall be protected with a __________ valve.
water make-up
high pressure regulator
shutoff
safety
5
Commercial grease ducts systems serving a Type I hood shall have a clearance to:
combustible construction of not less than 18".
combustible construction of not less than 6".
combustible construction of not less than 30".
combustible construction of not less than 1".
6
All wiring for smoke control systems, regardless of voltage:
shall be fully accessible for periodic inspection.
shall be of shielded and bonded type copper conductors.
shall be fully enclosed within continuous raceways.
shall be encased in plastic or flexible conduits.
7
Every occupied space shall be ventilated by natural or __________ means.
passive
high efficiency
mechanical
convection current
8
The building or structure shall not be __________ by the installation of mechanical systems.
modified
overcooled
overheated
weakened
9
Wall register models shall not be placed closer than _____ to a corner.
6 inches
3 inches
1 inch
12 inches
10
A floor furnace shall not be placed closer than _____ to the nearest wall.
6 inches
3 inches
1 inch
12 inches
11
Requirements for combustion and dilution air for gas-fired appliances shall be in accordance:
with the Uniform Mechanical Code.
with the International Fuel Gas Code.
with the International Combustion and Dilution Air Gas Code.
with the International Plumbing Code.
12
In order to determine the BTU/hr input of Natural Gas fuel burning appliance:
measure temperature of the discharge air.
measure volume and time of the fuel consumed.
measure the pressure of the gas at the manifold.
measure the temperature of the gas.
13
Equipment and appliances having an ignition source and located in garages shall be elevated so
the source of ignition is not less than 18" above the floor.
that the ignition source is 8 ft. above the floor.
that the ignition source is over 6 ft above the floor.
that the carbon monoxide generated does not exceed 4 ppm.
14
Domestic range hoods equipped with downdraft exhaust located within dwelling units:
shall discharge to the same space.
shall discharge through an approved A2 grease duct.
shall discharge to the outdoors.
shall recirculate the air through approved filtration means.
15
Guards shall be provided where equipment, roof hatches or other components that require service
are located within 3 feet of a roof edge.
are located within 6 feet of a roof edge.
are located within 8 feet of a roof edge.
are located within 10 feet of a roof edge.
16
Refrigerants, including refrigerant blends, with different designations in ASHRAE 34:
are intended to be mixed in a system.
ARE permitted to be mixed in a system.
shall not be mixed in a system, but can be vented together.
shall NOT be mixed in a system.
17
Machinery rooms shall be mechanically ventilated to:
remove odors and fumes.
prevent fire hazards.
prevent high levels of noise from accumulating.
the outdoors.
18
Permits shall expire and become null and void if the work authorized is not commenced within:
one year of issuance.
90 days of issuance.
30 days of issuance.
180 days of issuance.
19
Underground inspection shall be made after trenches are excavated and bedded, piping installed,
and before backfill is put into place.
and after backfill has been put in place.
only if the piping will not require pressure testing.
and after piping has been pressure tested to 300 psi.
20
Vented wall furnaces shall be located so that a door cannot swing within:
24 inches of an air inlet.
3 inches of an air inlet.
12 inches of an air inlet.
6 inches of an air inlet.
21
Protective assemblies shall not be placed less than 1" from mechanical appliances or devices:
so that they can properly sense a fault in the equipment.
unless there is an allowable reduced clearance.
regardless of the allowable reduced clearance.
unless they are directly mounted to them for security.
22
Chapter 4: Ventilation shall govern the ventilation of spaces within a building intended to be:
occupied.
used as a parking garage.
utilized for hazardous storage.
used for flammable material storage.
23
Appliances located in public garages shall be a minimum of _______ above the floor.
36 inches
8 feet
6 feet
10 feet
24
Cooking appliances that are designed for permanent installation shall be ________and _________.
cleaned and inspected
listed and labeled
reconditioned and tested
tested and certified
25
Mechanical ventilation supply systems shall be designed to deliver the required rate of outdoor
airflow to the breathing zone within each occupiable space.
airflow for natural ventilation systems in the space.
combustion air for mechanical heat pump systems present.
exhaust air to maintain minimum temperatures in the space.
26
Commercial clothes dryer ducts serving Type 2 clothes dryers shall have a minimum clearance of:
2" to combustible materials.
1" to combustible materials.
3" to combustible materials.
6" to combustible materials.
27
The clear access opening dimensions for attics containing appliances
shall be a minimum of 30" x 30" inches.
shall be a minimum of 20" x 30" inches.
is irrelevant and does not need to be observed.
shall be a minimum of 68" x 86" inches.
28
All pressure vessels shall be protected with a __________ valve or __________-limiting device.
low pressure, freeze
fill, flow
pressure relief , pressure
pressure regulator, overfill
29
When authorized employees enforce this code they shall not be held liable,___________________.
if they have a contractor's license.
if they can demonstrate a working knowledge of the code.
if they have passed a state regulated code test.
when acting in good faith and without malice.
30
Condensate waste drain line size shall not be less than___________ to the place of disposal.
3/4" ID min, but may decrease one size from the drain pan
1" ID min, but may decrease 1/2 pipe size from the drain pan
1/2" ID and shall not decrease in size from the drain pan
3/4" ID and shall not decrease in size from the drain pan
31
Where there is a conflict between a general and specific requirement, the______________.
most stringent code applies.
code no longer will apply.
interpretation of the installing contractor will apply.
specific requirement shall govern.
32
The air removed by every mechanical exhaust system shall be discharged __________.
outdoors.
into an acceptable filtration system.
no closer than 3 feet to a property line.
indoors
33
One BTU is the quantity of heat required to raise the temperature of ________________.
1/2 pound of water 2°F.
10 pounds of water 1°F.
2 pounds of water 4°F.
1 pound of water 1°F.
34
Ventilation air intake openings in residential occupancies shall have protective screens
with openings not less than 3/4" and not more than 1-1/2".
with openings not less than 1/8" and not more than 1/4".
with openings not less than 1/2" and not more than 1/2".
with openings not less than 1/4" and not more than 1/2".
35
The max. length of a domestic clothes dryer exhaust duct is ____ from the dryer to the outlet.
55
35 feet
8 feet
15 feet
36
Locations of refrigerating systems are described by ________to respond to potential exposures.
occupancy classifications that consider people's ability
cubic inches and fire suppression systems
refrigerant sensors and their ability
flammability of refrigerant and the Fire Departments ability
37
Passageways around all sides of boilers shall have an unobstructed width of:
not less than 30" unless otherwise approved.
not less than 18" unless otherwise approved.
not less than 6" unless otherwise approved.
not less than 12" unless otherwise approved.
38
Clothes dryer exhaust ducts shall not be connected or installed with sheet metal:
duct.
ventilation piping in excess of 0.02 duct static.
or other types of piping that may corrode from the moisture.
screws or other fasteners that will obstruct exhaust flow.
39
What is the mimimum nominal size diameter of domestic clothes dryer exhaust ducts?
8 inches
4 inches
5 inches
3 inches
40
Open-type expansion tanks shall be located a minimum of ____ above the highest heating element.
3 feet
2 feet
4 feet
12 inches
41
Condensate drain systems shall be provided for equipment and appliances containing:
heating equipment.
compressors or condensers.
evaporators or cooling coils.
ducted airflow systems.
42
Interior spaces intended for human occupancy shall be capable of maintaining a min. temp. of:
68°F at a point 3 feet above the floor at it's design temp.
68°F at a point 18" above the floor at it's design temp.
72°F at a point 3 feet above the floor at it's design temp.
60°F at a point 3 feet above the floor at it's design temp.
43
Each day a code violation continues after due notice has been served shall be deemed a _______.
singular offense.
continuous offense.
separate offense.
intentional offense.
44
Public assembly occupancy is that portion of premises where large numbers of people congregate:
and can readily evacuate the space and disperse.
but are all related to one another.
and conduct business, exchange goods or services.
and from which occupants cannot quickly vacate the space.
45
Standard air is air at standard temperature and pressure of: ____ and____inches of mercury.
70°F, 2.92
74°F, 26.62
70°F, 29.92
72°F, 28.62
46
Mechanical systems shall not be located in _________________.
an elevator shaft.
an attic.
a non-ventilated basement.
a crawl-space.
47
Fuel-fired appliances shall not be located in, or obtain combustion air from __________.
Sleeping rooms
Bathrooms
Storage closets or Surgical rooms
Toilet rooms
48
Valves requiring one-quarter round turn or less are considered to be __________ opening
quick
globe
slow
gate
49
Condensate shall not discharge into a street, alley or other areas so as to cause a __________.
puddle
discoloration of the sidewalk
nuisance
riot
50
Appliances located in private garages and carports shall be installed:
8 feet above the floor.
36 inches
6 feet above the floor.
10 feet above the floor.
51
A certificate of test shall be provided for all systems containing ___________ of refrigerant.
15 pounds or more
30 pounds or more
55 pounds or more
500 pounds or more
52
Brass tubing, 1 1/4-inch diameter and smaller shall be supported every:
3 feet when in a horizontal position.
10 feet when in a horizontal position.
4 feet when in a horizontal position.
6 feet when in a horizontal position.
53
Round metallic ducts shall be mechanically fastened by means of at least_____ around the joint.
3 sheet metal screws or rivets spaced equally
4 sheet metal screws or rivets spaced equally
2 sheet metal screws or rivets spaced equally
5 sheet metal screws or rivets spaced equally
54
All portions of active or passive smoke control systems shall be capable of continued operation
after detection of the fire event, not less than 20 minutes.
after detection of the fire event, not less than 30 minutes.
after detection of the fire event, not less than 5 minutes.
after detection of the fire event, not less than 120 minutes
55
A closet or alcove shall be defined as a room or space having a volume less than:
12x the total volume of fuel-fired appliances.
3x the total volume of fuel-fired appliances.
3 feet x 4 feet x 8 feet
the size of a twin-sized mattress, thus, un-rentable space.
56
Industrial occupancy _______________, where access by authorized persons is controlled.
implies that the premises is not continually occupied
is the portion of premises that is always open to the public
describes a mechanized area
is that portion of premises that is not open to the public
57
Unlisted duct tape is__________ as a sealant on any metal ducts.
not permitted
frequently used
approved
allowable
58
Install floor furnaces so that a drapery or similar combustible object will not be nearer than:
12" to any portion of the register of the furnace.
30" to any portion of the register of the furnace.
18" to any portion of the register of the furnace.
6" to any portion of the register of the furnace.
59
Hot water boilers shall be protected with a safety __________ valve.
lighting
smoke sensing
relief
blow-down
60
Termination of exhaust outlets discharging to the outdoors for structures in flood hazard areas
shall be installed at or below the design flood level.
shall be installed at or above the design flood level.
shall not be allowed.
shall be installed at or above a minimum of 7' above grade.
61
Every steam boiler shall be equipped with a quick-opening __________ valve.
emergency shut-off
fill
gas
blowoff
62
Domestic clothes dryer transition ducts used to connect the dryer to the exhaust duct system:
shall be limited to a single length not to exceed 35 feet.
shall be limited to a single length not to exceed 6 feet.
shall be limited to a single length not to exceed 8 feet.
shall be limited to a single length not to exceed 23 feet.
63
Final inspection shall be made upon __________ of the mechanical system.
installation
backfilling
rough-in
completion
64
Mixed occupancy occurs when __________or more occupancies are located within the same building.
one
three
four
two
65
Defective material or parts shall be replaced or repaired in such a manner_____________.
as finances or resources allow.
that pleases the customer.
so as to preserve the original approval of listing.
that it cannot be immediately identified as repaired.
66
Type L vents shall terminate not less than ___ above the highest point of the roof penetration.
18 inches
10 feet
2 feet
6 inches
67
Ducts installed underground shall have a minimum slope of:
1/2" per ft. to a drainage point provided with access.
1/8" per 10 ft. to a drainage point provided with access.
1/8" per ft. to a drainage point provided with access.
1/4" per ft. to a drainage point provided with access.
68
Equipment and appliances installed at grade level shall be supported on a level concrete slab
extending not less than 1" above the adjoining grade.
extending not less than 18" above the adjoining grade.
extending not less than 3" above the adjoining grade.
extending not less than 6" above the adjoining grade.
69
Attics containing appliances shall be provided with an opening and unobstructed passageway:
large enough to allow removal of the largest appliance.
large enough to allow access by the smallest service person.
large enough to allow proper filter media to pass through.
a minimum of 18" x 24".
70
Rooms containing appliances shall be provided with a door and an unobstructed passageway:
measuring not less than 36" wide x 80" high.
measuring not less than 48" wide x 86" high.
measuring not less than 36" wide x 36" high.
measuring not less than 24" wide x 30" high.
71
Appliances installed in other than indoor locations shall be listed and labeled for:
mechanical room installations.
indoor installations.
outdoor installations.
hazardous installations.
72
The minimum outdoor airflow required to be supplied to each zone shall be determined as:
a function of flammable classification.
a function of refrigerant classification.
a function of CO2 classification.
a function of occupancy classification.
73
Type I commercial kitchen exhaust hoods shall be installed where cooking appliance produce:
grease or smoke.
heat in excess of 1000 degrees F.
undesirable fumes.
heat in excess of 1500 degrees F.
74
Factory-built fireplace hearth extensions shall be __________ from the surrounding floor area.
elevated by a minimum of 8 inches
elevated by a minimum of 3 inches
of the same material and indistinguishable
readily distinguishable
75
Exhaust discharge air shall not be exhausted into an __________ or crawl space.
automotive carport
outside area
unoccupied space
attic
76
Smoke control systems shall be supplied with __________ source(s) of power.
three
a singular
two
a dedicated
77
The amount of supply air shall be approximately _______to the amount of return and exhaust air.
equivalent to one half
2 times
1000 cfm/ square inch
equal
78
Outdoor or return air for a forced-air-heating system shall not be taken from a __________.
Unconditioned attic.
Bathroom
Closet
Toilet room
79
Where a contaminant is located within 10 feet of a ventilation air intake opening, openings:
shall be not less than 6 feet below the contaminant source.
shall be not less than 3 feet below the contaminant source.
shall be not less than 18" below the contaminant source.
shall be not less than 1 foot below the contaminant source.
80
Mechanical makeup air for commercial kitchen exhaust systems shall be automatically controlled:
to start and operate simultaneously with the exhaust system.
with a switch immediately accessible at the heat source.
to maintain a minimum of 70 degree supply air to the space.
to maintain a specific pressure.
81
____________ shall be installed in HVAC systems designed to operate with fans on during a fire.
Fire-dampers NOT labeled for use with circulation systems
Only fire-dampers labeled for use with dynamic systems
Only fire-dampers listed as smoke suppression system dampers
No fire-dampers
82
Residential occupancy is that portion of premises that provides the occupants with:
complete independent living facilities.
power outlets at regular intervals and one telephone line.
an area in which to entertain guests or socialize.
comfort heating and cooling.
83
The minimum size of a closed-type expansion tank shall be based on the capacity of the:
heating element.
fill valve.
hot-water-heating system.
burner.
84
Air intake openings for ventilation shall be located in a minimum of:
10 feet from lot lines or buildings on the same lot.
3 feet from lot lines or buildings on the same lot.
6 feet from lot lines or buildings on the same lot.
30 feet from lot lines or buildings on the same lot.
85
Sauna Heaters shall be equipped with a thermostat that will limit room temperature to ____° F.
140
186
120
194
86
In smoking lounges __________ exhaust is required.
natural
no
only periodic
mechanical
87
The code official shall have the authority to render __________ of this code.
interpretations
obsolete or non-applicable sections
additions and expansions
exceptions and modifications that their expertise allows
88
All appliances regulated by this code shall be __________ and __________.
fuel efficient and certified
operational and leak free
listed and labeled
electric and, or gas operated
89
Horizontal termination of mechanical draft systems shall be not less than:
3 inches above the level of the walkway below.
10 feet above the level of the walkway below.
3 feet above the level of the walkway below.
7 feet above the level of the walkway below.
90
The mechanical exhaust rate for ventilation of uninhabited spaces shall not be less than:
2.0 cfm per square foot of horizontal area.
0.002 cfm per square foot of horizontal area.
0.02 cfm per square foot of horizontal area.
0.10 cfm per square foot of horizontal area.
91
Cleanouts located on horizontal sections of commercial grease ducts shall be space:
not more than 36" apart.
not more than 12' apart.
not more than 3' apart.
not more than 20' apart.
92
The ventilation rates in Table 403.3 Minimum Ventilation Rates are based on the absence of:
consideration of the breathing zone.
human occupation of the space.
smoking in occupiable spaces.
mechanical types of ventilation.
93
Electrical equipment with metallic enclosures exposed within a plenum shall ___________.
be permitted.
be grounded through a surge suppressor.
conform to ANSI standard 10B.
not be permitted.
94
Vented wall furnaces shall have a manual shutoff valve installed _________of all controls.
as part of an automatic safety circuit that is part
that will control the proper temperature for emergency heat
downstream
ahead
95
The power supply to the electrical control system, for boilers:
shall be from a two-wire branch circuit that has a ground.
shall be from a three-wire branch circuit and is ungrounded.
shall be from a one-wire branch circuit that has a ground.
shall be from a two-wire branch circuit that has no ground.
96
Room volume shall be computed using the gross floor area and the actual ceiling height,
up to a maximum computation height of 6 feet.
up to a maximum computation height of 8 feet.
up to a maximum computation height of 10 feet.
up to a maximum computation height of 24 feet.
97
Commercial occupancy is that portion of a premises where people:
receive personal service
transact business
purchase goods
purchase food
98
The clear access opening dimensions for underfloor spaces containing appliances shall be:
a minimum of 30" X 80 ".
a minimum of 30" X 30 ".
a minimum of 22" X 30 ".
a minimum of 24" X 36 ".
99
Appliances shall be __________ for inspection, service, repair, or replacement.
visible
operational
functional
accessible
100
________________________used to support commercial grease ducts shall not penetrate duct walls.
Powered ventilators
Filtration equipment
Mechanical exhaust systems
Bolts, screws, rivets and other mechanical fasteners

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