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20 Cards in this Set
- Front
- Back
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gravity exerts a force on a building through the__ of the building and all of its content. |
weight |
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which of the following is a secondary effect of wind? |
vibration |
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in designing buildings to withstand wind, the primary effect considered is the force due to: |
direct pressure |
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which of the following statements regarding seismic loads is LEAST |
seismic forces are less complex than forces exerted by wind |
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the most significant force exerted on a building by an earthquake is the __force. |
horizontal |
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the pressure exerted by soil against the foundation is known as: |
active soil pressure |
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which of the following statements regarding dead load is MOST accurate? |
the dead load of a building can change |
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which of the following statements regarding dynamic load is LEAST accurate? |
Dynamic loads are applied gradually |
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foundations are of interest to firefighters because they can offer insight into: |
shifts in the forces affecting the building |
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what interior force tends to slide one plane of a material past an adjacent plane? |
shear |
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which of the following statements regarding factors of safety for avoiding failure points is LEAST accurate? |
it is not necessary to use a factor of safety for construction material properites |
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which of the following statement about types of loads is MOST accurate? |
under fire conditions, the loads change because of the thermal energy of the fire. |
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a load that is perpendicular to the cross section of a structural member but does not pass through the center of the cross section is a(n): |
eccentric load |
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a beam that is supported at each end and free to rotate at the ends is a(n)____beam. |
simply supported |
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which of the following structural members is designed to support an axial compressive load? |
column |
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to provide for minor adjustments, arches are sometimes designed with: |
hinges |
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Trusses have the potential for early failure under fire conditions because: |
failure of any portion of the top or bottom chords results in failure of the truss |
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which of the following structural system uses reinforced joint between a column and a beam so bending stresses can be transmitted through the joints? |
rigid frame |
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in post and beam construction, vertical posts may be spaced up to___inches (mm) apart. |
24(600) |
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which of the following statements regarding membrane structures is MOST accurate? |
fire code usually address membrane structures used for less than 180 days |
