2022 IRC Exam Prediction with COMPLETE SOLUTION | 161 Questions with 100% Correct Answers

Storm drainage sump pumps shall be of a capacity and head appropriate to _______ use requirements. - anticipated Electrical services within the scope of the IRC are limited to _____-volt, 0- to _____- ampere, single-phase systems. - 120/240 & 400 Boiler pressure-relief valve discharge shall be pipes to drains by gravity to within _____ inches of the floor or to an open receptor. - 18 Polyethylene tubing for hydronic piping systems shall be installed with _____ ______ joints. - heat fusion The maximum amount of fuel oil stored above ground or inside a building shall be _____ gallons. - 660 (The supply tank shall be supported on rigid noncombustible supports to prevent settling or shifting) Vent piping on oil tanks shall be not smaller than _____-inch pipe. - 1 1/4 Oil tank vent piping shall terminate outside of building at a point not less than _____ feet, measured vertically or horizontally, from any building opening. - 2 Components of a solar thermal energy system that might be subject to pressure drops below atmospheric pressure during operations shall be protected by a _____-_____ _____. - vacuum-relief valve The minimum unobstructed total area of the outside and return air ducts or openings to a forced air warm-air FURNACE shall not be less than _____ square inches for each 1000 Btu/h output rating. - 2 (This also applies to supply ducts.)