NSC Workplace Safety 3

Question 1

What is the minimum safe clearance distance from energized overhead power lines for unqualified workers?

Accepted Answer

10 feet

Answer

OSHA requires at least 10 feet of clearance from energized overhead power lines for unqualified workers using standard equipment.

Question 2

When must employees be trained on chemical hazards under OSHA's Hazard Communication Standard?

Accepted Answer

At initial assignment and whenever new hazards are introduced

Answer

HazCom training must occur at initial assignment and whenever a new chemical hazard is introduced to the workplace.

Question 3

What information is found in Section 8 of a Safety Data Sheet (SDS)?

Accepted Answer

Exposure controls and personal protection

Answer

Section 8 covers exposure limits (PELs/TLVs) and recommended personal protective equipment for working with the chemical.

Question 4

Which of the following is an example of an administrative control for hazard reduction?

Accepted Answer

Rotating workers to limit exposure time

Answer

Administrative controls change work processes or schedules, such as job rotation to reduce cumulative hazardous exposure.

Question 5

What is the correct first step when applying lockout/tagout (LOTO) before servicing equipment?

Accepted Answer

Notify affected employees of the shutdown

Answer

The first LOTO step is to notify all affected employees before beginning the energy isolation process.

NSC Practice Test