AHIT CORE EXAMS SET 2026 QUESTIONS AND ANSWERS
SURE A+
✔✔exceeds the preset limit, usually 150 psi (pounds per square inch), or the
temperature goes above 210 degrees Fahrenheit - ✔✔The valve open when the
pressure inside the tank...?
✔✔Once the valve opened, it allows..... - ✔✔The excess heated water to flow out of the
tank. lowering the internal pressure and temperature.
✔✔2 types of extruded polystyrene insulation products - ✔✔Pink, green, and blue foam
boards
✔✔120 or 240. - ✔✔3 wires coming in is...?
✔✔electric panel - ✔✔If the________ _______ is hot do not go in there.
✔✔Water - ✔✔If __________ is under the electric panel do not go in there.
✔✔6 feet - ✔✔If the electrical panel is ______ feet off ground you can go in. Use the
backside of your right hand.
✔✔Programable Thermostat - ✔✔turn off the switch at the thermostat it would reset.
✔✔No - ✔✔Question:
If you have a round meter base does it means it 60amps?
✔✔Sewer system - ✔✔make the flow properly. It allow air into the top makes it flow out.
✔✔Size of service is determined by the lesser of: - ✔✔Main wire size from meter to
panel, Main panel rating of manufacturer label, main overcurrent protection
breaker/fuses
✔✔Breaker protects panel and subpanel. - ✔✔protects panel and subpanel.
✔✔Bonding - ✔✔is the electrical connection of all exposed metal items not designed to
carry electricity in a room or building.
✔✔Grounding - ✔✔is the attachment of bonded systems to the earth. Continuous bond
to the ground
, ✔✔In balloon framing - ✔✔the wood studs (vertical boards) extend the full height of the
building (usually two stories) from the foundation (also known as the sole plate) to the
roof (also known as the rafter plate)
✔✔In platform framing, - ✔✔each floor is framed separately, as contrasted with balloon
framing, in which the studs (vertical members) extend the full height of the building.
✔✔ice dams - ✔✔Question:
Heat loss from a house, snow cover and outside temperatures interact to form ______?
✔✔there must be snow on the roof and, at the same time, higher portions of the roof's
outside surface must be above 32 degrees F (freezing) while lower surfaces are below
32F. - ✔✔Question:
For ice dams to form there must be __________?
✔✔The water build up from melting snow that can't drain off your roof, and can seep
through your roofing system into your home. - ✔✔Question:
Why is ice damming bad?
✔✔30 psi - ✔✔concerning pressure on a hydronic boiler is _____ psi.
✔✔Electrical Panel - ✔✔1 wire 1 lug (electrical panel)
✔✔Safer - ✔✔Larger wires in your panel is......?
✔✔Each circuit breaker - ✔✔Question
__________ ___________ _______ should have its amperage marked on the handle?
✔✔Amperage - ✔✔This is the maximum amperage that the circuit can take before the
circuit breaker trips.
✔✔In the United States - ✔✔standard household circuits are rated for 15 or 20 amps.
✔✔30 or 50 amps - ✔✔Specific appliances may need dedicated, high-load circuits for
____ OR ____ amps.
✔✔Patio - ✔✔are on the ground, and they don't need railing.
✔✔Stair Parts - ✔✔are stringers and risers. (Treads, Risers, and Nosings )
✔✔branch circuit wiring within service panel: - ✔✔12, 14, 10, 8, 6
SURE A+
✔✔exceeds the preset limit, usually 150 psi (pounds per square inch), or the
temperature goes above 210 degrees Fahrenheit - ✔✔The valve open when the
pressure inside the tank...?
✔✔Once the valve opened, it allows..... - ✔✔The excess heated water to flow out of the
tank. lowering the internal pressure and temperature.
✔✔2 types of extruded polystyrene insulation products - ✔✔Pink, green, and blue foam
boards
✔✔120 or 240. - ✔✔3 wires coming in is...?
✔✔electric panel - ✔✔If the________ _______ is hot do not go in there.
✔✔Water - ✔✔If __________ is under the electric panel do not go in there.
✔✔6 feet - ✔✔If the electrical panel is ______ feet off ground you can go in. Use the
backside of your right hand.
✔✔Programable Thermostat - ✔✔turn off the switch at the thermostat it would reset.
✔✔No - ✔✔Question:
If you have a round meter base does it means it 60amps?
✔✔Sewer system - ✔✔make the flow properly. It allow air into the top makes it flow out.
✔✔Size of service is determined by the lesser of: - ✔✔Main wire size from meter to
panel, Main panel rating of manufacturer label, main overcurrent protection
breaker/fuses
✔✔Breaker protects panel and subpanel. - ✔✔protects panel and subpanel.
✔✔Bonding - ✔✔is the electrical connection of all exposed metal items not designed to
carry electricity in a room or building.
✔✔Grounding - ✔✔is the attachment of bonded systems to the earth. Continuous bond
to the ground
, ✔✔In balloon framing - ✔✔the wood studs (vertical boards) extend the full height of the
building (usually two stories) from the foundation (also known as the sole plate) to the
roof (also known as the rafter plate)
✔✔In platform framing, - ✔✔each floor is framed separately, as contrasted with balloon
framing, in which the studs (vertical members) extend the full height of the building.
✔✔ice dams - ✔✔Question:
Heat loss from a house, snow cover and outside temperatures interact to form ______?
✔✔there must be snow on the roof and, at the same time, higher portions of the roof's
outside surface must be above 32 degrees F (freezing) while lower surfaces are below
32F. - ✔✔Question:
For ice dams to form there must be __________?
✔✔The water build up from melting snow that can't drain off your roof, and can seep
through your roofing system into your home. - ✔✔Question:
Why is ice damming bad?
✔✔30 psi - ✔✔concerning pressure on a hydronic boiler is _____ psi.
✔✔Electrical Panel - ✔✔1 wire 1 lug (electrical panel)
✔✔Safer - ✔✔Larger wires in your panel is......?
✔✔Each circuit breaker - ✔✔Question
__________ ___________ _______ should have its amperage marked on the handle?
✔✔Amperage - ✔✔This is the maximum amperage that the circuit can take before the
circuit breaker trips.
✔✔In the United States - ✔✔standard household circuits are rated for 15 or 20 amps.
✔✔30 or 50 amps - ✔✔Specific appliances may need dedicated, high-load circuits for
____ OR ____ amps.
✔✔Patio - ✔✔are on the ground, and they don't need railing.
✔✔Stair Parts - ✔✔are stringers and risers. (Treads, Risers, and Nosings )
✔✔branch circuit wiring within service panel: - ✔✔12, 14, 10, 8, 6
