Confined Space

A confined space has the following characteristics:

• Large enough and so configured that an employee can bodily enter and perform work.

• Limited or restricted means of entry or exit.

• Not designed for continuous human Occupancy.

• All of the above

Which of the following is a hazard that may be encountered in a confined space:

• Materials that can engulf an entrant

• Machinery that has been LO/TO

• Confined Space Permit

• Both B and C

What is a permit-required confined space?

• A confined space that infrequently requires entry for inspection, cleaning, maintenance or repair.

• A confined space with recognized or potential hazards which can be immediately dangerous to life and health (IDLH)

• A confined space without a hazardous atmosphere.

• A confined space that is difficult to enter and exit, and was not designed for continuous occupancy.

1. What procedure is used to de-energize electrical, mechanical,hydraulic, pneumatic, chemical, thermal and other energy sources to make them safe?

• Warning signage

• Attendants

• Lockout/Tagout

• Atmospheric testing

1. Which of the following is a correct explanation of a Confined Space Entry Permit?

• It is an authorization for workers to enter a confined space under acceptable conditions.

• A form that identifies the work team, work to be done and equipment and procedures to be used for a specific time-limited entry into a confined space.

• It is a plan of action briefed and signed by the Entry Supervisor

• All of the above

Employees must be trained prior to performing confined space entry.

• TRUE

• FALSE

Acceptable oxygen levels for confined space entry are 16.5% to 18.5%

• TRUE

• FALSE

At any time, an attendant may leave the area of the confined entry for brief periods.

• TRUE

• FALSE

If work will exceed the time noted on permit, stop work and get an updated permit.

• TRUE

• FALSE

Hazards inside a confined space can potentially affect the Entrant when any part of the body enters (breaks the plane of) the confined space.

• TRUE

• FALSE