CEA Jobsite Safety Procedures Questions and Answers

Question 1

An apprentice is setting up a non-self-supporting extension ladder to access a junction box on a wall.
To ensure stability and meet OSHA requirements, what is the proper ratio of the ladder's working length to the set-back distance from the wall?

Accepted Answer

4 to 1

Answer

3 to 1

Answer

5 to 1

Answer

2 to 1

Question 2

During a job briefing, the supervisor discusses the need to de-energize a 480V motor control center for maintenance. Which of the following is the first and most critical step in the Lockout/Tagout (LOTO) procedure?

Accepted Answer

Notify all affected employees of the impending shutdown.

Answer

Apply the lock and tag to the disconnect.

Answer

Verify the equipment is de-energized using a meter.

Answer

Shut down the equipment using the normal stopping procedure.

Question 3

An electrical apprentice is tasked with performing voltage measurements on an energized circuit panel, which has been determined to be a PPE Category 2 hazard. What is the minimum arc rating for the personal protective equipment (PPE) required for this task?

Accepted Answer

8 cal/cm²

Answer

4 cal/cm²

Answer

25 cal/cm²

Answer

40 cal/cm²

Question 4

While working on a construction site, an apprentice notices an extension cord with a missing grounding prong being used to power a saw. What is the appropriate action to take?

Accepted Answer

Immediately remove the cord from service and report it to a supervisor.

Answer

Continue using the cord as long as the saw is working.

Answer

Wrap the damaged area with electrical tape.

Answer

Only use the cord in a dry location.

Question 5

Which of the following materials is required for the side rails of a portable ladder being used by an apprentice near exposed energized electrical equipment?

Accepted Answer

Nonconductive material, like fiberglass

Answer

Aluminum

Answer

Steel

Answer

Pressure-treated wood

Question 6

According to the OSHA Hazard Communication Standard (HCS), also known as the "Right to Know" law, what is an employer's primary responsibility to an apprentice regarding hazardous chemicals on the jobsite?

Accepted Answer

Provide information and training on the hazardous chemicals.

Answer

Ensure all chemical containers are made of metal.

Answer

Provide personal protective equipment only upon request.

Answer

Store all chemicals in a single, locked cabinet.

An apprentice is setting up a non-self-supporting extension ladder to access a junction box on a wall.To ensure stability and meet OSHA requirements, what is the proper ratio of the ladder's working length to the set-back distance from the wall?

An apprentice is setting up a non-self-supporting extension ladder to access a junction box on a wall.
To ensure stability and meet OSHA requirements, what is the proper ratio of the ladder's working length to the set-back distance from the wall?