Preparation Industrial Mechanic Millwright

Problem Set: Industrial Mechanic (Millwright) Note: Conversion tables and formulas are on pages 34 and 35. Answer Key is on page 36; full solutions are on pages 37 to 43. 1) If a ladder hits a wall at a height of 24 feet, and the base of the ladder is 6 feet from the wall, calculate the slope of the ladder. a. 4 b. 18 c. 8 d. 12 2) Ladder safety is very important to an industrial mechanic. The base of the ladder should be at least one quarter of the height the ladder reaches on a wall from the base of the wall. If a ladder reaches 5.63 metres on a wall, what is the minimum length the base of ladder needs to be from the wall? a. 22.52 metres b. 5.63 metres c. 1.41 metres d. 0.88 metres 3) If the scaffolding is 8’4” long and 6’ wide and has a load capacity of 25 pounds per square foot, calculate the maximum weight that the scaffolding can hold.