AHIT, Mock Exam 2024/2025

AHIT, Mock Exam 2024/2025 what was added to furnaces in 1980 to increased their efficiency? - answer-two heat exchangers an inspector enters a vacant house to inspect it and notices a strong spell of gas. what should he do? - answer-vacate the home and call all appropriate people what material is not a proper flashing material? - answer-tar paper a three-prong receptacle requires? - answer-grounding conductor The neutral wire - answer-returns 110v to ground ice forming on a A/C evaporator coil is caused by? - answer-not enough air The exhaust vent of a gas dryer? - answer-must be vented to outside a deck built 14" off-ground around a home - answer-requires no railing in an electrical sub panel, the neutral wire must be: - answer-separated from ground and isolated trusses - answer-have two bearing points you see a return air register in the side of a furnace. - answer-can cause flue gases to be drawn into air supply