FREE STSC Confined Space Entry Procedures Questions and Answers

Question 1

What is the primary responsibility of the attendant (hole watch) during a permit-required confined space entry?

Accepted Answer

To remain outside the space and summon rescue if necessary

Answer

To enter the space and assist with the work

Answer

To perform air monitoring inside the space

Answer

To sign and authorize the entry permit

Question 2

A confined space is classified as 'permit-required' if it has a recognized hazard such as:

Accepted Answer

The potential for a hazardous atmosphere

Answer

Poor lighting

Answer

It is below ground level

Answer

It requires a ladder for entry

Question 3

When testing the atmosphere of a confined space before entry, what is the correct sequence for testing?

Accepted Answer

Oxygen, Flammables, Toxics

Answer

Toxics, Flammables, Oxygen

Answer

Flammables, Oxygen, Toxics

Answer

The order does not matter as long as all are tested

Question 4

What is the acceptable range for oxygen levels within a confined space for entry without supplied air?

Accepted Answer

19.5% to 23.5%

Answer

18.0% to 25.0%

Answer

20.9% to 22.0%

Answer

16.5% to 21.0%

Question 5

What is the primary purpose of a confined space entry permit?

Accepted Answer

To verify that pre-entry precautions have been completed

Answer

To track the number of hours worked in the space

Answer

To serve as a legal document in case of an incident

Answer

To notify OSHA of the planned entry

Question 6

According to OSHA, what is the preferred method for rescuing an entrant from a confined space?

Accepted Answer

Non-entry rescue using a retrieval system

Answer

The attendant entering with a supplied-air respirator

Answer

Calling the local fire department immediately

Answer

Ventilating the space and waiting for the entrant to recover