AHIT EXAM QUESTIONS AND ANSWERS

The Problem with Stucco is that it____ - Answer- tends to crack How should corner moldings on aluminum sliding be installed - Answer- upper molding overlapping A hinge door that rubs the frame may have - Answer- loos hinge screws Discoloration or fogging in a window is an indication of - Answer- a leaking insulated glass seal what would not be the cause of a sag in a porch ceiling - Answer- rotting fascia board what is most highly recommended for repairing aluminum branch circuit wiring - Answer- copalum 100 amp electrical service - Answer- #4 copper & # 2 aluminum why should sources of ignition be 18" off the floor - Answer- keeps ignition sources away from gas vapors when solvent in paint evaporates to quickly it causes - Answer- alligatoring proper pitch for a patio - Answer- pitched away most common retaining wall failure - Answer- inadequate drainage stucco's main problem - Answer- tends to crack what condition usually the cause of yellow tipped flames in a gas heating - Answer- lack of combustion air what function does the draft hood play in a heating unit - Answer- it protect units form updraft type of oil burner has the greatest operating efficiency - Answer- a flame retention burner firebox is sealed - Answer- don't break seal, report as not inspected if home inspector finds a cracked heat exchanger - Answer- report it as a major repair hydronic heating system - Answer- forced hot water operating pressure in a forced hot water system for a two story home is - Answer- 12 psi