HORTICULTURE SCIENCE
FUNDAMENTALS OF HORTICULTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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2 ft
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3 ft
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4 ft
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5 ft
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Detailed explanation-1: -Set the ladder at the proper angle. When a ladder is leaned against a wall, the bottom of the ladder should be one-quarter of the ladder’s working length away from the wall. For access to an elevated work surface, extend the top of the ladder three feet above that surface or secure the ladder at its top. .
Detailed explanation-2: -Ladders used for access Ladders used to access another level should be tied and extend at least 1 m above the landing point to provide a secure handhold.
Detailed explanation-3: -Ladder Height Regulations An extension or straight ladder used to access an elevated surface must extend at least 3 feet above the point of support (see diagram). A ladder extended to a height of 48-ft or longer requires a 6-ft extension beyond the eave.