IFGC Questions and Correct Answers the Latest Update
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Course
IFGC
Institution
IFGC
Guards are not required for rooftop appliances requiring service where
approved permanent __________________ devices are installed
fall restraint
Unvented room heaters shall be equipped with an
_________________________________ safety shutoff system
oxygen-depletion-sensitive
____________...
The maximum horizontal length of a single-wall vent connector shall be ____
percent of the height of the chimney or vent except for the engineered systems
✓ 75
For supporting illuminating appliances, the strength and rigidity of posts greater
than ___ feet in height shall be at least equivalent to that of a 2.5 inch-diameter
post constructed of 0.064 inch-thick steel or a 1 inch _____________ steel pipe
✓ 3, schedule 40
Hydrogen gas cylinders for indoor storage and use in occupancies regulated by
the International Residential Code shall not exceed ___ cubic feet at normal
temperature and pressure (NTP)
✓ 250
Unvented room heaters shall not have an input rating in excess of ___ Btu/h
✓ 40,000
Clothes dryer installations exhausting more than ___ cfm shall be provided with
makeup air
✓ 200
Dryer ducts shall not be connected or installed with ___________ screws or other
fasteners that will obstruct the flow
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