Red Seal Appliance Service Technician Practice Questions - Red Seal Appliance Service Technician Interprovincial Exam

What is the recommended angle ratio (slope) for setting up an extension ladder against a wall?

1:1 ratio (45-degree angle) 4:1 ratio (base is 1 foot out for every 4 feet of height) 2:1 ratio (base is 1 foot out for every 2 feet of height) 6:1 ratio (base is 1 foot out for every 6 feet of height)

Correct Answer:

4:1 ratio (base is 1 foot out for every 4 feet of height)

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