OSHA 510 PRACTICE TEST QUESTIONS
AND ANSWERS
What is the height of a masonry wall? - Answer- 8 feet
What to do with a damaged scaffold? - Answer- Remove from service
What is the maximum lateral travel to a ladder? - Answer- 25 feet
What is the minimum platform width for scaffolding? - Answer- 18 inches
What is the minimum side rail clearance for ladders? - Answer- 11.5 inches
What to do with a damaged ladder? - Answer- Remove from service
What to do with a defective ladder? - Answer- Tag and remove until repaired
At what depth is a ladder required? - Answer- 4 feet
What is Soil Type B? - Answer- Recognized classification
Who approves trench shield? - Answer- Professional Engineer
What is the sprinkler head clearance? - Answer- 36 inches
What is the horizontal clearance from a spoil pile? - Answer- 2 feet
When must live parts be guarded? - Answer- 50 volts or more
What type of wiring is allowed for permanent use? - Answer- Non-permanent wiring
NOT allowed
What must be done with temporary wiring? - Answer- Must be removed when no longer
needed
What to do with damaged electrical equipment? - Answer- Remove from service
Who approves forklift modifications? - Answer- Manufacturer
AND ANSWERS
What is the height of a masonry wall? - Answer- 8 feet
What to do with a damaged scaffold? - Answer- Remove from service
What is the maximum lateral travel to a ladder? - Answer- 25 feet
What is the minimum platform width for scaffolding? - Answer- 18 inches
What is the minimum side rail clearance for ladders? - Answer- 11.5 inches
What to do with a damaged ladder? - Answer- Remove from service
What to do with a defective ladder? - Answer- Tag and remove until repaired
At what depth is a ladder required? - Answer- 4 feet
What is Soil Type B? - Answer- Recognized classification
Who approves trench shield? - Answer- Professional Engineer
What is the sprinkler head clearance? - Answer- 36 inches
What is the horizontal clearance from a spoil pile? - Answer- 2 feet
When must live parts be guarded? - Answer- 50 volts or more
What type of wiring is allowed for permanent use? - Answer- Non-permanent wiring
NOT allowed
What must be done with temporary wiring? - Answer- Must be removed when no longer
needed
What to do with damaged electrical equipment? - Answer- Remove from service
Who approves forklift modifications? - Answer- Manufacturer
