What is the minimum fire resistance rating of the shaft enclosure for a fire -escape (means-of-egress) stair?

What will be an ideal response?


1-hour rating for a building ? 3 stories and 2-hour rating for a building ? 4 stories.

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Which type of material is installed on the inside of the duct system?

A. foil-covered fiberglass insulation wrap B. acoustical duct lining C. either a or b D. neither a nor b

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Gaius Marius’s great innovation was to

a. extend citizenship to Rome’s Italian allies. b. privatize the Roman army. c. refuse reelection as consul after his first term. d. hand Jugurtha over to his protégé Sulla.

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What are the four most common eave configurations?

What will be an ideal response?

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A heavy-duty tool used to drive posts or other large stakes is a _____

a. mallet b. sledgehammer c. bell-faced hammer d. ball-peen hammer

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