NSC Fall Protection 2

Question 1

At what minimum height above a lower level does OSHA require fall protection in general industry?

Accepted Answer

4 feet

Answer

OSHA's general industry standard (29 CFR 1910) requires fall protection when workers are exposed to falls of 4 feet or more.

Question 2

Which component of a personal fall arrest system (PFAS) absorbs energy and limits the force on the worker during a fall?

Accepted Answer

Shock-absorbing lanyard

Answer

A shock-absorbing lanyard contains a deceleration device that deploys during a fall, extending the stop distance and reducing peak arrest forces.

Question 3

A worker must be rescued or self-rescue within how many minutes after a fall arrest to prevent suspension trauma?

Accepted Answer

30 minutes

Answer

OSHA recommends that suspended workers be rescued within approximately 30 minutes to prevent orthostatic intolerance (suspension trauma).

Question 4

Which type of ladder is prohibited from use near energized electrical equipment because it conducts electricity?

Accepted Answer

Aluminum ladder

Answer

Aluminum ladders are conductive and must not be used near energized electrical sources; fiberglass is the preferred non-conductive alternative.

Question 5

What is the maximum free-fall distance allowed by OSHA when using a personal fall arrest system?

Accepted Answer

6 feet

Answer

OSHA limits free fall to 6 feet or less when using a PFAS to cap the forces experienced during arrest.

NSC Practice Test