TSSA EDM-E Practice Questions - TSSA Elevating Device Mechanic Class E (EDM-E) Exam

What is the correct angle ratio for positioning an extension ladder against a hoistway landing wall?

4:1 ratio (for every 4 feet of height, the base should be 1 foot out) 3:1 ratio (for every 3 feet of height, the base should be 1 foot out) 5:1 ratio (for every 5 feet of height, the base should be 1 foot out) 2:1 ratio (for every 2 feet of height, the base should be 1 foot out)

Correct Answer:

4:1 ratio (for every 4 feet of height, the base should be 1 foot out)

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