day 4 osha 30

What is the minimum distance that excavated materials, tools, and other supplies be kept back from the excavation’s edge?

• 1 foot

• 2 feet

• 7.5 feet

• 25 feet

At what depth must a ladder, ramp, steps, or runway be present for quick worker exit:

• 4 feet

• 5 feet

• 10 feet

• It is never required

What is the greatest hazard facing a worker while working in a trench:

• Hazardous atmospheres

• Falls

• Cave ins

• Falling Objects

Unless made in entirely stable rock, at what depth is a protective system required for a trench:

• Any depth if the competent person says so.

• 5 feet deep and greater

• Both a and b

• A protective system is never required in trenches

Who trains employees that work on scaffolds?

• Employees do not need training

• Employees are responsible for their own training

• Fellow employees who have experience

• Employer-designated competent person

Scaffolds must be designed by a ___.

• Competent person

• Construction site manager

• Qualified person

• Experienced scaffold worker

Which of the following is NOT an example of proper access?

• Ladders

• Crossbraces

• Stair towers

• Walkways

When portable ladders are used for access to an upper landing surface, how many feet above the upper landing must the side rails extend?

• 2 feet

• 3 feet

• 4 feet

• 5 feet

You can use metal ladder around power lines or exposed energized electrical equipment.

• True – but only if there isn’t any other option to get the work done.

• False – you should never use a metal ladder in this circumstance.

Handrails must be able to withstand, without failure, how many pounds of weight applied within 2 inches of the top edge in any downward or outward direction?

• 300 pounds

• 250 pounds

• 200 pounds

• 175 pounds