General Knowledge in Construction
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Questions and Answers

What is the minimum height for guardrails on a patio or porch more than 30" from the ground?

  • 36 inches (correct)
  • 30 inches
  • 48 inches
  • 42 inches

    • What is the minimum distance a daycare can be located from a High Hazard Use group?

  • 250 feet
  • 200 feet (correct)
  • 150 feet
  • 100 feet

    • What is the weight of a steel beam designated W8x15 and measuring 10 feet long?

  • 100 lbs
  • 180 lbs
  • 150 lbs (correct)
  • 120 lbs

    • Which type of wood is not considered decay resistant?

    <p>White Pine</p> Signup and view all the answers

    How is roof pitch expressed?

    <p>Rise over run</p> Signup and view all the answers

    What structural element joins studs at right angles in concrete form work framing?

    <p>Waler</p> Signup and view all the answers

    What is the diameter of a #4 reinforcing bar?

    <p>1/2 inch</p> Signup and view all the answers

    How many square feet are covered by a single roofing square?

    <p>100 square feet</p> Signup and view all the answers

    What is the function of the bottom cord in an open web steel joist?

    <p>Is considered to be in tension</p> Signup and view all the answers

    What does the '32/16' signify on the panel index for plywood?

    <p>Spacing for roof and sub-floor supports</p> Signup and view all the answers

    What is the basic wind speed for Boston according to the Mass Building Code?

    <p>128 mph</p> Signup and view all the answers

    Which of the following scenarios would prevent the issuance of a building permit for an 1800sf dwelling?

    <p>Zoning violations</p> Signup and view all the answers

    What is required for the design/construction of a retaining wall that is 10 feet high?

    <p>Registered professional architectural or engineering services</p> Signup and view all the answers

    What is the maximum allowed riser height for stairs in residential buildings?

    <p>8 ¼ inches</p> Signup and view all the answers

    How long does a building inspector have to act on a permit application?

    <p>30 days</p> Signup and view all the answers

    What is the minimum tread depth required for stairs in residential buildings?

    <p>9 inches</p> Signup and view all the answers

    Before starting construction, how much notice must be given to the building official?

    <p>24 hours</p> Signup and view all the answers

    Which of the following is NOT a reason for a homeowner to pull permits on their single-family home?

    <p>Installing a 20x20 manufactured home</p> Signup and view all the answers

    What is the maximum distance for control joints in a concrete basement floor?

    <p>30 feet</p> Signup and view all the answers

    The MA amendments note that smoke and CO2 detectors must be located where?

    <p>In multiple locations as specified</p> Signup and view all the answers

    What is the maximum riser height allowed for residential stairs?

    <p>8 1/4&quot;</p> Signup and view all the answers

    Which document governs the requirements for fire retardant-treated wood in Massachusetts?

    <p>ASTM D3201</p> Signup and view all the answers

    How often must first aid kits on a construction site be inspected?

    <p>Weekly</p> Signup and view all the answers

    What is the maximum extension length of a platform less than 10 feet in length over its support?

    <p>12 inches</p> Signup and view all the answers

    What is the U-factor for steel-framed ceilings in unconditioned spaces in Massachusetts?

    <p>0.026</p> Signup and view all the answers

    What is the required minimum thickness of a concrete slab for residential floors?

    <p>3 1/2 inches</p> Signup and view all the answers

    How far above finished grade must masonry foundation walls extend without veneer?

    <p>4 inches</p> Signup and view all the answers

    What is the flame spread index limit for concealed insulation?

    <p>25</p> Signup and view all the answers

    What is the minimum ventilation requirement for underfloor crawl spaces?

    <p>1 square foot per 150 square feet</p> Signup and view all the answers

    According to the AAB, what is the minimum requirement for parking spaces for a lot with 15 spaces?

    <p>1 accessible space</p> Signup and view all the answers

    What is the allowable slope for low-slope roofs?

    <p>2:12</p> Signup and view all the answers

    What is the flame spread index requirement for fire-retardant treated wood?

    <p>25</p> Signup and view all the answers

    What is the maximum length of a hallway in a sprinklered Group B building?

    <p>300 feet</p> Signup and view all the answers

    What is the required guardrail height for patios more than 30 inches above grade?

    <p>42 inches</p> Signup and view all the answers

    What is the maximum air leakage for windows under the IRC?

    <p>0.30 cfm per square foot</p> Signup and view all the answers

    What is the correct moisture content for interior fire-retardant-treated wood under ASTM D3201?

    <p>28%</p> Signup and view all the answers

    What is the minimum distance required between a combustion air intake opening and a property line?

    <p>10 feet</p> Signup and view all the answers

    What is the minimum bearing length of wood joists on masonry?

    <p>2 inches</p> Signup and view all the answers

    What type of accessibility compliance is required for new public buildings, including houses of worship?

    <p>Full compliance</p> Signup and view all the answers

    What is the minimum width for egress doors in residential construction?

    <p>36 inches</p> Signup and view all the answers

    What is the maximum height for a stairway rise in residential construction?

    <p>7 3/4 inches</p> Signup and view all the answers

    How far apart must fire extinguishers be placed in a construction site?

    <p>Every 75 feet</p> Signup and view all the answers

    What is the minimum headroom clearance required for stairways?

    <p>7'</p> Signup and view all the answers

    In Type V construction, what is the maximum height for a structure without a sprinkler system?

    <p>1 story</p> Signup and view all the answers

    What is the minimum compressive strength for concrete used in footings?

    <p>3500 psi</p> Signup and view all the answers

    When is a fire-resistant-rated wall required between a garage and a dwelling?

    <p>When the garage is attached</p> Signup and view all the answers

    How many accessible parking spaces are required for a parking lot with 100 spaces?

    <p>6</p> Signup and view all the answers

    What is the minimum height for handrails in stairways?

    <p>34 inches</p> Signup and view all the answers

    How far apart must anchor bolts be spaced in a sill plate?

    <p>8 feet</p> Signup and view all the answers

    What is the required slope for drainage away from a building foundation?

    <p>2%</p> Signup and view all the answers

    What is the maximum flame spread index for wall coverings in a means of egress?

    <p>25</p> Signup and view all the answers

    What is the maximum span for #4 rebar in concrete without additional support?

    <p>5 feet</p> Signup and view all the answers

    What is the maximum height for a retaining wall before an engineer's design is required?

    <p>6 feet</p> Signup and view all the answers

    What is the minimum thickness for exterior walls in residential construction?

    <p>4 inches</p> Signup and view all the answers

    What is the allowable height for smoke detectors from the floor to the ceiling?

    <p>12 feet</p> Signup and view all the answers

    What is the minimum number of exits required for an assembly room with a 500-person capacity?

    <p>3</p> Signup and view all the answers

    What is the maximum number of risers allowed in a single flight of stairs?

    <p>16</p> Signup and view all the answers

    What is the maximum allowable U-factor for residential windows in Massachusetts?

    <p>0.30</p> Signup and view all the answers

    What is the minimum air exchange rate for mechanical ventilation systems in homes?

    <p>0.35 ACH</p> Signup and view all the answers

    What is the minimum R-value for attic insulation in Massachusetts for new residential construction?

    <p>R-38</p> Signup and view all the answers

    What is the minimum R-value for wood-frame walls in Massachusetts for new residential construction?

    <p>R-21 or 13+5</p> Signup and view all the answers

    What is the maximum U-factor for windows in new residential construction in Massachusetts?

    <p>0.30</p> Signup and view all the answers

    What is the required air leakage rate for a home to pass the blower door test in Massachusetts?

    <p>3 ACH at 50 Pascals</p> Signup and view all the answers

    What is the minimum R-value for floors over unconditioned spaces in Massachusetts?

    <p>R-30</p> Signup and view all the answers

    What is the minimum R-value for basement walls in unconditioned spaces in Massachusetts?

    <p>R-15</p> Signup and view all the answers

    What is the required insulation level for ducts in unconditioned spaces in Massachusetts?

    <p>R-8</p> Signup and view all the answers

    What is the minimum R-value for crawl space walls in Massachusetts?

    <p>R-15</p> Signup and view all the answers

    What is the maximum solar heat gain coefficient (SHGC) for windows in Massachusetts?

    <p>0.30</p> Signup and view all the answers

    What is the maximum U-factor for skylights in Massachusetts?

    <p>0.50</p> Signup and view all the answers

    In a two-zone HVAC system, what is the minimum efficiency required for furnaces in Massachusetts?

    <p>90% AFUE</p> Signup and view all the answers

    What is the minimum energy factor (EF) for gas-fired water heaters in Massachusetts?

    <p>0.67</p> Signup and view all the answers

    What type of insulation is required for hot water pipes in unconditioned spaces in Massachusetts?

    <p>R-4</p> Signup and view all the answers

    What is the required minimum lighting efficiency for permanently installed lighting in new construction in Massachusetts?

    <p>90% high-efficacy</p> Signup and view all the answers

    In Massachusetts, how much of the home's energy consumption must come from renewable sources to qualify for a zero-energy-ready designation?

    <p>100%</p> Signup and view all the answers

    How far must vapor barriers be installed from the warm-in-winter side of the insulation in Massachusetts?

    <p>At least 3 inches</p> Signup and view all the answers

    What is the minimum insulation level required for slab-on-grade floors in Massachusetts?

    <p>R-15 for 4 feet</p> Signup and view all the answers

    What is the minimum required ventilation rate for new residential construction in Massachusetts?

    <p>0.35 ACH</p> Signup and view all the answers

    What is the maximum allowable leakage for ducts in unconditioned spaces in Massachusetts?

    <p>6%</p> Signup and view all the answers

    How much solar-ready zone space is required on a roof for new residential construction in Massachusetts?

    <p>150 square feet</p> Signup and view all the answers

    What is the primary responsibility of an unrestricted construction supervisor?

    <p>Supervising the construction process to ensure code compliance</p> Signup and view all the answers

    What is the required action when a change to the approved building plans is made?

    <p>Notify the building inspector immediately</p> Signup and view all the answers

    Who is responsible for ensuring subcontractors adhere to safety regulations on-site?

    <p>General contractor</p> Signup and view all the answers

    What must be done if a construction site generates excessive noise during restricted hours?

    <p>Request a variance from local authorities</p> Signup and view all the answers

    What documentation must a construction supervisor maintain on-site at all times?

    <p>Original building permit and approved plans</p> Signup and view all the answers

    Study Notes

    General Knowledge

    • A patio or porch on a single-family home exceeding 30 inches from the ground requires 36-inch guardrails.
    • The minimum distance from a high-hazard use group (e.g., daycare) to a property must be 200 feet.
    • A strong structural element running at right angles to studs, connecting them to form a solid member in concrete framing, is a waler.
    • White Pine is not an acceptable decay-resistant wood.
    • A steel beam designated W8x15, 10 feet long, weighs 150 pounds (multiply pounds per linear foot by length).
    • Steel studs can be used in any application.
    • Roofing material for a 30x50 foot roof at 35persquarecosts35 per square costs 35persquarecosts525. (Roofing squares are 10x10 feet).
    • The Steel Joist Institute (SJI) governs steel bar joist construction.
    • The proper way to tighten a high-strength steel bolt is to torque and turn the nut.
    • A #4 reinforcing bar has a 1.5-inch diameter.
    • Rebar numbers increase in ⅛-inch increments (#1 is ⅛", #2 is ¼", #3 is ¾", etc.)
    • Plywood panel indexes (e.g., 32/16) indicate spacing of supports; 32 is for roof sheathing, 16 for sub-floor.
    • The bottom cord of an open web steel joist is in tension.
    • A pan is not a structural steel shape.
    • The flat interior trim at a window base is called the stool.
    • Roof pitch is rise over run (e.g., a 6/12 pitch = 6 inches rise for every 12 inches of run).
    • Convert decimal dimensions to common fraction dimensions as seen on measuring tapes (e.g., 169.125 = 14' 1⅛").

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    Description

    Test your knowledge on essential construction principles and regulations. This quiz covers topics like guardrails, building materials, steel framing, and roofing costs. Perfect for students and professionals in the construction field looking to assess their understanding of key concepts.

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