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ICC Mechanical Exam Practice Questions Part 1
with verified answers
1.Exhaust ducts under positive pressure, chimneys, and vents may not ex-
tend into or pass through . Exceptions ignored.:
plenums and ducts
2. systems are permitted to be
backfilled prior to inspection.: Ground-source heat pump loop
3.Air necessary for complete combustion of a fuel, including theoretical
air and excess air.: Combustion Air
4.Equipment and appliances installed at grade level must be supported on a
level concrete slab or other approved material extending not less than 3
inches above adjoining grade or must be suspended not less than
above adjoining grade. Such support shall be in accordance with the man-
ufacturer's installation instructions.: 6 inches
5.Air removed from a conditioned space and intended for reuse as
supply air.: Recirculated Air
6.For buildings containing dust, stock and refuse collectors and separators
such systems as centrifugal separators, bag filter systems and similar de-
vices, those devices and associated supports must be constructed of non-
combustible materials and must be located on .
Exceptions ignored.: the exterior of the building or structure
7.An installer has an 80,000 Btu per hour input fan-assisted appliance that
must be installed using 10 feet of lateral connector attached to a 30-foot-
high Type B vent. Two 90-degree elbows are needed for the installation. Can
a single-wall metal vent connector be used for this application?: No
8.On a liquid fuel oil system the outer ends of vent pipes must terminate in a
.: weatherproof vent cap or fitting or be
provided with a weatherproof hood
9.Ventilation must be provided in an approved manner in battery-charging
areas for powered industrial trucks and equipment .
Exceptions ignored.: to prevent a dangerous accumulation of vapor
pressure
10.The installation of fuel gas distribution piping and equipment, fuel gas-
fired appliances and fuel gas-fired appliance venting systems is regulated
by the .: International Fuel Gas
Code
