Microlearning Course: Ladder Use and Maintenance

Which of the following images shows a ladder placed INCORRECTLY?

• A

• B

• C

• D

For ladders with lengths exceeding 20 feet (6 m), always have ________ carry the ladder.

• one worker

• two workers

• three workers

• four workers

Select the descriptions that follow ladder safety rules. (SELECT ALL THAT APPLY)

• Never attempt to hurry up a ladder

• Always face the ladder when climbing up or down

• Never allow more than one person on a ladder at a time

• Never attempt to strap or tie two ladders together

• Keep at least three points of contact at all times or if three points of contact can't be maintained, additional fall prevention or protection is required

To maximize a ladder's stability and strength, ladders must be set up against a support as close to a ________ pitch as possible.

• 15.5°

• 50.5°

• 75.5°

• 105.5°

The distance away from a structure's base that a ladder's base should be positioned is ________ of the structure's height.

• one-third

• one-quarter

• one-eighth

• one-tenth

Select the mathematical symbols to complete the equation for calculating a correct ladder length.

• A= (+b²)

• A= (-b²)

• B= 3

• B= 1