Download Internachi Florida State 511 Exam Prep: Chimney and Fireplace Safety and more Exams Engineering in PDF only on Docsity!
Internachi Florida State 511 Exam
prep
Footings for masonry fireplaces must extend _____ the frost line. - ✔ ✔ below House framing components should be at least ____ inches away from the chimney wall. - ✔ ✔ 2 Open spaces between the chimney wall and the combustible building materials should be sealed and insulated with _____ material. - ✔ ✔ non-combustible A masonry chimney should extend at least _____ feet above the highest point where the chimney passes through the roof, and _____ feet above any portion of a building that is within a _____-foot distance horizontally. - ✔ ✔ 3, 2, 10 Inlets to masonry chimneys must enter from the _____. - ✔ ✔ side T/F: Gas vents that are greater than 12 inches in size or that are located less than 8 feet from a vertical wall or similar structure should terminate at least 2 feet above the highest point where they pass through the roof, and not less than 2 feet above any portion of a dwelling within 10 feet horizontally. - ✔ ✔ true T/F: The venting system is permitted to extend into or pass through a fabricated air duct or furnace plenum. - ✔ ✔ false
T/F: A cast-in-place chimney flue liner is made of a lightweight, cement- like product installed inside the chimney. - ✔ ✔ true Metal chimney flue liners are usually made of _____ or aluminum. - ✔ ✔ stainless steel Clay tiles are the _____ common type of masonry chimney liner. - ✔ ✔ most The general rule is that a single flue should be used for only _____ heating system(s). - ✔ ✔ one T/F: It is a common mistake to apply height requirements for chimney terminations (such as the 3-2-10 Rule) to fuel vents that cause them to extend above roofs much higher than needed, in most cases. - ✔ ✔ true A cast-in-place lining ____ help correct the structural integrity of an old chimney. - ✔ ✔ can T/F: Stainless steel flue lining is suitable for wood-burning, gas, or oil applications. - ✔ ✔ true T/F: Chimneys should extend at least 2 feet higher than any portion of a building within 10 feet, but shall not be less than 3 feet above the highest point where the chimney passes through the roof. - ✔ ✔ true Type L venting systems should terminate with a listed and labeled cap at least _____ feet above the roof and at least _____ feet above any portion of the building within _____ feet. - ✔ ✔ 2, 2, 10
T/F: Chimney flashing should be installed where the chimney stack meets the roof covering to prevent water penetration. - ✔ ✔ true _____ flashing is installed in the mortar joints and then folded downward to cover the step or base flashing. - ✔ ✔ counter- A proper masonry chimney cap should be constructed of a Portland cement-based mixture and cast or formed so it provides an overhang projecting beyond all sides of the chimney by a minimum of _____ inches. - ✔ ✔ 2 T/F: One purpose of the opened damper door is to prevent the downdraft from pushing smoke into the room. - ✔ ✔ True The damper must be operable from _____. - ✔ ✔ the room containing the fireplace T/F: The throat of the fireplace is located below the combustion chamber. - ✔ ✔ False T/F: The throat of the fireplace controls the efficiency of the fireplace. - ✔ ✔ True T/F: The fireplace firebox walls are slanted to reflect heat energy into the room. - ✔ ✔ true T/F: The space inside the fireplace is called the firebox. - ✔ ✔ true T/F: The size of the fireplace is based on the size of the room. - ✔ ✔ true Fireplace hearths are typically made of _____. - ✔ ✔ concrete or masonry
T/F: The back hearth is made up of compacted earth that can withstand heat from fire. - ✔ ✔ false The smoke shelf is located behind the _____. - ✔ ✔ damper The _____ is located over the fireplace opening and supports the masonry above. - ✔ ✔ lintel If the factory-built fireplace is located on an exterior wall, a _____ can be constructed around the chimney to contain and protect it. - ✔ ✔ chase T/F: Chimneys for factory-built fireplaces require specific clearances and support components. - ✔ ✔ true T/F: The openings through which the chimneys of factory-built fireplaces pass should be blocked with fire-stop spacers and support boxes. - ✔ ✔ true T/F: Factory-built chimneys are not required to be of masonry construction. - ✔ ✔ true The top of a factory-built chimney has a _____ to divert rainwater from the chimney pipe to the chimney flashing. - ✔ ✔ storm collar A factory-built fireplace is _____ expensive to install than a masonry fireplace. - ✔ ✔ less Some factory-built fireplaces have a "_____ clearance" requirement to combustibles, which means that the house's wooden framing can come into contact with the fireplace's components. - ✔ ✔ zero
T/F: The inspector should inspect for hearths that are not made of concrete or masonry. - ✔ ✔ true T/F: The inspector should inspect for combustible lintels above fireplace openings. - ✔ ✔ false T/F: The inspector should inspect for connectors from solid fuel-burning appliances that have a rise to the chimney of less than 1/4-inch per foot. - ✔ ✔ true T/F: The inspector should inspect for flues that have two or more openings at the same level. - ✔ ✔ true The inspector should inspect for chimneys that terminate less than ___ feet above the highest point where they pass through the roof surface.
- ✔ ✔ 3 T/F: Chimneys are structurally invulnerable. - ✔ ✔ false T/F: Efflorescence is a cosmetic issue only. - ✔ ✔ false When _____ leads to strong osmotic pressures - greater than the strength of the building material - and the material literally breaks apart, the resulting damage is called _____. - ✔ ✔ efflorescence, spalling Porous building materials are capable of wicking water for large distances due to _____ action. - ✔ ✔ capillary _____ is the dissolved salts deposited on the surface of a material (such as concrete or brick) that are visible after the evaporation of the water that transported them. - ✔ ✔ Efflorescence
_____ is a common repair for deteriorated mortar joints. - ✔ ✔ repointing T/F: Kickout flashing should not be installed when stucco or EIFS is installed. - ✔ ✔ false The main purpose of the kickout flashing is to divert water away from the exterior roof-covering materials and into the _____. - ✔ ✔ gutter A missing kickout flashing often results in concentrated areas of _____ accumulation and potentially severe damage to exterior walls. - ✔ ✔ water Water penetration into the cladding can occasionally be observed on the exterior wall in the form of _____ water stains. - ✔ ✔ vertical _____ can create pressure that is greater than the structural strength of concrete, which can be from 2,000 psi to 3,000 psi. - ✔ ✔ osmosis Building materials, such as concrete, wood, brick and stone, are _____ materials. - ✔ ✔ porous T/F: It's okay to burn pressure-treated wood. - ✔ ✔ false T/F: The National Fire Protection Agency (NFPA) recommends that extinguishers be tested every five or 12 years, depending on the type. - ✔ ✔ true T/F: No fire extinguisher can be safely or effectively used for every type of fire. - ✔ ✔ true
T/F: Both pairs of wings on the winged forms of termites (called alates or swarmers) are of equal size and shape. - ✔ ✔ true T/F: Termites feed on materials that contain cellulose, such as wood. - ✔ ✔ true T/F: In nature, termites are very beneficial insects because they return dead trees to the soil as nutrients. - ✔ ✔ true A _________ is a group of winged male and female reproductives (swarmers, alates) that leaves the colony in an attempt to pair and initiate new colonies. - ✔ ✔ swarm The 240 Volt circuit is used for? - ✔ ✔ Appliances The return conductor (a.k.a. the neutral) is at ___ volts because it is grounded to the electric panel - ✔ ✔ Zero Most 120 Volt circuits are wired to deliver ___ or ___ Amps of current - ✔ ✔ 15, 20 Most ___ Buildings are supplied with 120\240 Volt services. This means that the cable assembly is made up of ___ ungrounded conductors each supplying 120 V with one ground - ✔ ✔ Residential, two The point of attachment of the service drop conductors to a building or structure must have a clearance of at least ___ ft - ✔ ✔ 10 Vertical clearance for overhead conductors they are over public streets
- ✔ ✔ 18 feet Vertical clearance for overhead conductors that are over commercial parking areas - ✔ ✔ 18 feet
Vertical clearance for overhead conductors that are over swimming pools? - ✔ ✔ 22 feet and 6 inches, 10 feet horizontal Vertical clearance for overhead conductors that are over residential properties? - ✔ ✔ 12 feet Vertical clearance for overhead conductors that are from sides of doors? - ✔ ✔ 3 feet from the bottom, sides and front The inspector should recommend that any ____ Within 5 to 6 feet be cut back - ✔ ✔ Tree limbs The clearance for open overhead service conductors from the front, bottom and sides of windows that______Is 3 feet - ✔ ✔ Open Every 5 to 6 feet, rigid service mast should be secured to ___ - ✔ ✔ The structure points The method for installing a UF cable is __ - ✔ ✔ Above ground A service entrance with ____ Connected conductors is a phase 3 supply
- ✔ ✔ Four The typical supply for square brand electric meter is ___ amps - ✔ ✔ 100 Most modern 200 amp electrical meters are marked ___ - ✔ ✔ 200 CL The minimum conductor size for a ___ Amp service is a 4 AWG copper or 2 AWG aluminum - ✔ ✔ 100 _____ Is a direct connection to the earth to aid in removing damaging transient over voltages due to lightning - ✔ ✔ Grounding
What wiring would require a specialist? - ✔ ✔ Solid conductor aluminum branch wiring Or horizontally mounted face up countertop receptacles allowed? - ✔ ✔ No The first kind of residential wiring is called? - ✔ ✔ Knob and tube "Romex " cable that is not actually of the brand romex is called? - ✔ ✔ Type NM cable What circuit should bathroom outlets be on? - ✔ ✔ 20 amp GFCI What is the minimum circuit for stoves? - ✔ ✔ 40 amp How many amps is an electrical clothes dryer? - ✔ ✔ 30 Amp Recessed ceiling lights should be rated ____ if installed against insulation. - ✔ ✔ IC In a typical residential air-conditioning system, the ____Absorbs the heat energy from the air passing through it, and transfers heat from the passing air to the refrigerant moving inside - ✔ ✔ Evaporator The ___ Is located inside the outdoor condenser unit and receives the low pressure refrigerant vapor through the suction line - ✔ ✔ Compressor The maximum discharge temperature for ducts of a warm air heating system is ____ F - ✔ ✔ 250 A ___ is a device used to alter the volume of air passing through a confined cross section by changing the size of the cross section area - ✔ ✔ Damper
T/F: You are required to inspect the insulation in unfinished spaces, including the attic - ✔ ✔ True T/F: you are required to inform your client about the absence or lack of adequate insulation in areas of the house - ✔ ✔ True Water vapor can move in three ways ___ transportation, diffusion through materials, ___ diffusion - ✔ ✔ Air, thermal ___ Movement accounts for more than 98% of all water vapor movement and building cavities - ✔ ✔ Air ___ diffusion is how moisture in a vapor state moves through material because of a difference in pressure or difference in temperature - ✔ ✔ Vapor ___ Diffusion is water vapor moving through a material from a high pressure to a low pressure or from a warm side of the wall to a cool side - ✔ ✔ Vapor ___Refers to the amount of moisture contained in a quantity of air compared to the maximum amount of moisture in the air that could hold at the same temperature - ✔ ✔ Relative humidity (RH) 4 general things you can do to prevent moisture intrusion is
- Prevent water intrusion
- ______ air leaks
- Provide an escape for moisture - ✔ ✔ Ventilate, stop
T/F: Air-admittance valves are permitted to vent fixtures installed at island structures in kitchens. - ✔ ✔ true Air-admittance valves are ________-activated. - ✔ ✔ pressure In high-wind installations, each composition roof shingle should be held by at least _______ nails or staples. - ✔ ✔ six If a building is located within 3,000 feet of saltwater, the roofing nails should be ________ or stainless steel. - ✔ ✔ hot-dip galvanized If a building is located in a hurricane-prone area, the first course of shingles should be ___________. - ✔ ✔ sealed to the starter strip with roof cement The method for installing a UF cable is __________. - ✔ ✔ Direct burial Service drops should never pass closer than ________ above the ridge of a conventional pitched roof. - ✔ ✔ 3 feet The minimum efficiency rating for furnaces is ___________. - ✔ ✔ 78% The vertical enclosure at the rafter tails is called a ________. - ✔ ✔ There are two broad categories to describe furnace heating systems: gravity warm-air furnaces; and ______ warm-air furnaces. - ✔ ✔ forced A _______ flashing should be installed where the bottom of a roof meets a wall. - ✔ ✔
For most roofs, the most effective venting system _____. - ✔ ✔ Ridge and soffit vents The inspector should inspect for ___________ that are not made of concrete or masonry. - ✔ ✔ The overhead service conductors are _____ the scope of a home inspection. - ✔ ✔ within A _____ is a wooden, steel or engineered member that supports floor framing members. - ✔ ✔ beam __________ flashing is the type of flashing that goes between the roof covering and the sheathing around the roofs perimeter - ✔ ✔ counter A flashing along the peak of the roof is called the _______ flashing - ✔ ✔ The typical electrical service for homes in North America is a_____? - ✔ ✔ 120\240 Volt If ducts of the HVAC system run through uncondition spaces in the house, such as a crawlspace or attic, then the ductwork should be ____
- ✔ ✔ Insulated In general, ____-cell foams allow water to move through the wall more easily then _____-cell foams - ✔ ✔ Open, closed ____Of attic areas is intended to prevent the accumulation of moisture vapor in the attic - ✔ ✔ Ventilation
T/F: an enclosed accessible space under stairs should be protected on the enclosed side with a half inch gypsum board - ✔ ✔ True T/F: heat can move from one body to another by radiation - ✔ ✔ True _____Is the transfer of heat energy by electromagnetic wave motion - ✔ ✔ Radiation _____Is the transfer of heat from one molecule to another, or through one substance to another - ✔ ✔ Conduction ____Is the transfer of heat by warming the air next to a hot surface and then moving that warm air - ✔ ✔ Convection _____Air is less dense than_____air - ✔ ✔ Hot, cold A____comes in both invasive and noninvasive models - ✔ ✔ Moisture meter A home inspector is required to____the energy source - ✔ ✔ Describe A home inspector is required to describe the heating____ - ✔ ✔ Method ______Is an effective means of inspecting for water leaks and moisture problems - ✔ ✔ Thermography A_______can be used to tell the difference between aluminum pipes and steel pipes - ✔ ✔ Magnet Many home inspectors start their home inspection by inspecting the______first - ✔ ✔ Exterior
______Is the greatest destroyer of houses - ✔ ✔ Water ______Is one of the main concerns when inspecting the HVAC system - ✔ ✔ Water (or moisture) T/F: the inspector shall inspect all exterior doors - ✔ ✔ True T/F: the inspector shell inspect all of the windows - ✔ ✔ False T/F: the inspector shall inspect the fascias - ✔ ✔ True T/F: the inspector shell describe the exterior wall covering - ✔ ✔ True Some pilasters can add_____support - ✔ ✔ Lateral From the Italian, is a porch leading to the entrance of a building with a roof structure over a walkway, and supported by columns or enclosed by walls - ✔ ✔ Portico _____Is a classical architectural element consisting of a triangle shape found above the horizontal structure - ✔ ✔ Pediment ______Can be any horizontal decorative trim located at the top of any building or architectural element - ✔ ✔ Cornice What are the two different types of pilasters? - ✔ ✔ Structural and ornamental Regardless the size of the house, at least one egress door should be provided. The required door must be a side hinge door, and it must be at least___________? - ✔ ✔ 3 feet wide and 6 feet and 8 inches tall
