Devices attached to the inside of the beams on fly sections, that hold the fly section in place after it has been extended are called: (336), truss blocks., butt spurs., hooks., pawls., Strips of metal attached to ladders at chafing points describe: (336), truss blocks., butt spurs., protection plates., abrasion strips., Which ladder type has sections that travel in guides or brackets to permit length adjustment? (338), Extension, A-Frame, Roof, Folding, What standard outlines requirements for the use, maintenance, and service-testing of fire department ground ladders? (340), NFPA 1931, NFPA 1932, NFPA 1970, NFPA 1960, According to NFPA, ground ladders should be inspected after each use and: (340), on a quarterly basis., on a weekly basis., on a monthly basis., on an annual basis., The balance point of a ladder is marked by:, stenciling on the beam., a manufacturer’s nameplate on a rung., reflective tape on the tip., a stripe painted on a rail., NFPA 1960 requires that the ladder length be marked on each beam within 12 inches (300 mm) of the:, bed section., butt plate., bottom rung., protection plate., Per NFPA 1960, the manufacturer’s name plate on a ladder should include the:, heat sensor temperature rating., weight limitations., month and year of manufacture., ladder length and climbing angle., The heat sensor label on ladders are preset to _____ and must have the expiration date indicated on it., 500°F (260°C), 300°F (149°C), 200°F (93°C), 400°F (204°C), Ladders should not be raised within _____ of electrical wires., 5 feet (1.5 m), 15 feet (4.5 m), 10 feet (3 m), 12 feet (3.7 m), When personnel are working on a roof, at least two ladders should be:, available and ready to be raised., placed directly side-by-side., raised to the roof at separate locations from each other., raised on the same side of the building., How far should ladders be extended to provide a footing and handhold for anyone stepping on or off the roof onto the ladder? (349), Just below the roof edge, One rung beyond the roof edge, Three to five rungs beyond the roof edge, Even with the roof edge, The desired angle of inclination for placing a ground ladder is at: (354), 75-degrees., 90-degrees., 65-degrees., 45-degrees., One firefighter can safely shift a ladder that is: (359), 35 feet (11 m) long or shorter., 20 feet (6 m) long or shorter., 30 feet (9 m) long or shorter., 25 feet (8 m) long or shorter., When using a ground ladder for rescue through a window, the ladder tip should: (362), extend two rungs above the sill., be even with the top of the window., extend three to five rungs above the sill., be raised to just below the sill.

Ladders

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تضمين

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النمط البصري

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