93-Tall-Mass-Timber-Buildings 無料問題集「International Code Council 93-Tall-Mass-Timber-Buildings」

（A）assigned for gypsum board membranes in IBC Table 722.6.2(1)

（B）assigned for noncombustible protection in IBC Table 722.7.1(2)

（C）it takes the surface of wood nearest the fire but beneath the protective cover to reach a temperature rise of 250°F

（D）it takes the surface of wood nearest the fire but beneath the protective cover to reach a temperature rise of 325°F

（A）When connections do not integrate full mass timber member bearing on other mass timber elements

（B）When connection fire resistance is provided by a fire resistance rated joint system in accordance with Section 715

（C）When connections are made without additional noncombustible protection beyond what is required for the connected elements

（D）When connection fire resistance is provided by wood cover calculated to meet the requirements of Section 2304.10.1

（A）Type IV-B

（B）Type IV-A

（C）Type IV-HT

（D）Type IV-C

（A）All of the mass timber may be exposed.

（B）20% of the floor area of the ceilings and 40% of the floor area of the walls may be exposed under certain conditions.

（C）None of the mass timber may be exposed.

（D）40% of the floor area of the ceilings and 20% of the floor area of the walls may be exposed under certain conditions.

（A）mass timber itself plus the added contribution time attributable to the noncombustible protection.

（B）mass timber itself.

（C）noncombustible protection.

（D）mass timber itself plus the finish rating time of the noncombustible protection.

（A）Types IV and V only

（B）Types I, II, III, IV, and V

（C）Types III and IV only

（D）Types I, II, and IV only

（A）Engineering analysis showing limited temperature rise at the connector for the required fire-resistance time of connected members

（B）Limiting connections to those incorporating wood-on-wood bearing

（C）Using connectors that are rated by the manufacturer for fire performance

（D）Testing of connections in accordance with ASTM E136

（A）Required exterior wall coverings on all floor levels more than 2 levels below the floor under construction, including mezzanines.

（B）Standpipes shall be provided in accordance with IFC Section 3313.

（C）At least two layers of noncombustible protection, where noncombustible protection is required for the building element, on all mass timber more than 4 stories below the uppermost floor under construction.

（D）The IFC specifically requires a portable water supply.

（A）45-minutes

（B）1-hour

（C）2-hours

（D）30-minutes