By definition, a permit required confined space is any confined space that has one or more of the following characteristics:

A. Contains or has the potential to contain a hazardous atmosphere

B. Has an internal configuration that the entrant could be trapped by inwardly converging walls or a floor which slopes or tapers

C. Has the potential for engulfment

D. Contains any other recognized serious safety or health hazards

E. All of the above

The confined space entry permit must be posted on or near the confined space which is being entered for the duration of the confined space entry.

A. True

B. False

Upon completion of the confined space entry, the confined space entry permit must be retained by the employer for at least ____________.

A. 1 Month

B. 6 Months

C. 1 Year

D. As needed

Who actually produces the confined space entry permits?

A. The employers company

B. OSHA

C. EPA

D. DOT

Who must verify and sign the entry permit before anyone enters the confined space?

A. Attendant

B. Entrant

C. Incident Commander

D. Entry Supervisor

According to OSHA, most fatalities in confined spaces are the result of:

A. Being struck by falling objects

B. Slips, trips and falls

C. Hazardous atmospheres

D. Electrocution

The most common route of entry by which hazardous gases/vapors can enter the body is by:

A. Absorption

B. Ingestion

C. Injection

D. Inhalation

Oxygen deficiency in a confined space means an atmosphere in which the oxygen content is less than:

A. 30% by volume

B. 21.5% by volume

C. 19.5% by volume

D. 16% by volume

Whenever possible the first set of atmospheric tests should be performed:

A. From outside the confined space

B. Within the confined space

C. During entry operations

D. Immediately after entry

What precise order must the three atmospheric tests be conducted prior to entry?

A. Flammable gases/vapors, oxygen, and toxic contaminants

B. Toxic contaminants, oxygen, and flammable gases/vapors

C. Flammable gases/vapors, dusts, and toxic contaminants

D. Oxygen, flammable gases/vapors, and toxic contaminants

The terms LEL and UEL mean:

A. Lower expansion level and upper expansion level

B. Lower energy level and upper energy level

C. Lower exit level and upper exit level

D. Lower explosive limit and upper explosive limit

When dealing with combustible dust, if you cannot see ______ feet in front of you, assume it is at hazardous levels.

A. 3

B. 4

C. 5

D. 6

A gas monitor should be calibrated and bump tested how often:

A. Every year

B. Every month

C. According to manufacturer’s instructions

D. As needed

Under only what condition can the attendant leave his/her post?

A. In an emergency

B. At the request of the entrant

C. At the attendant's discretion

D. When relieved by another qualified attendant

The primary means of external communication are:

A. Visual signs

B. Whole body movements

C. Airhorn

D. Telephone and radio

A gas or vapor with a vapor density greater than 1.0 (air has a vapor density = 1.0) will be found primarily at what location in a given confined space?

A. Bottom

B. Top

C. Middle

D. At all levels

Complete ventilation must be maintained to prevent:

A. Heat stress

B. The formation of hazardous atmospheres

C. Engulfment of the entrant

D. None of the above

Ventilation should be maintained:

A. Periodically

B. Intermittently

C. Sporadically

D. Continuously

The maximum allowable concentration of a flammable gas, vapor or mist is ______ % of the lower explosive limit.

A. 5

B. 10

C. 20

D. None

What does the term I.D.L.H. stand for?

A. Immediately Deadly Leave and Hide

B. Immediately Dangerous to Life and Health

C. I Don’t Like Hazards

D. Immediately Deadly to Life and Health

When dealing with entries into a hazardous atmosphere that may have become stratified (i.e. separated or layered) the atmosphere must be tested at least every ______ feet.

A. 3 feet

B. 4 feet

C. 6 feet

D. 8 feet

Oxygen enrichment is an atmosphere that may contain more than _____% oxygen.

A. 19.5

B. 20.9

C. 23.5

D. 100

Due to the stratification of the confined space atmosphere, which area should be tested and monitored?

A. Top of the confined Space

B. Middle of the confined space

C. Bottom of the confined space

D. At all levels of the confined space

The maximum allowable concentration of a toxic material or gas in the confined space is the _____.

A. Permissible Exposure Limit

B. Lower Explosive Limit

C. Permissible Exposure Level

D. Max OSHA Limit

The average concentration of oxygen in the atmosphere is ______% by volume.

A. 19.5

B. 20.9

C. 23.5

D. 25

Who is responsible for the preparation and cancellation of the confined space entry?

A. Authorized Entrant

B. Attendant

C. Entry Supervisor

D. Safety Manager

Who is responsible for the monitoring conditions inside and outside the confined space during the entry operation?

A. Authorized Entrant

B. Attendant

C. Entry Supervisor

D. Safety Manager

Who is responsible for performing “non-entry rescue” during the confined space entry operation?

A. Authorized Entrant

B. Attendant

C. Entry Supervisor

D. Safety Manager

What is the Permissible Exposure Limit (PEL) for carbon monoxide?

A. 10 ppm

B. 25 ppm

C. 50 ppm

D. 60 ppm

What is the Permissible Exposure Limit (PEL) for hydrogen sulfide?

A. 10 ppm

B. 25 ppm

C. 50 ppm

D. 60 ppm

What is the IDLH for carbon monoxide?

A. 100 ppm

B. 200 ppm

C. 1000 ppm

D. 1200 ppm

What is the IDLH for hydrogen sulfide?

A. 100 ppm

B. 200 ppm

C. 1000 ppm

D. 1200 ppm

What is an example of non-entry rescue?

A. The entrant detects a hazardous material and leaves

B. An Entrant is unconscious and is rescued through the use of a lifting device and is pulled out

C. A trained team enters and retrieves the entrant

Whose responsibility is it to ensure adequate rescue is available?

A. Authorized Entrant

B. Attendant

C. Entry Supervisor

D. Safety Manager

An entry supervisor may serve as an authorized entrant or an attendant as long as they have been trained and equipped for each role he or she fills.

A. True

B. False

A permit required confined space may be reclassified as a non-permit space if the hazardous characteristics of the space have been eliminated.

A. True

B. False

When calculating ventilation, what is the minimum recommended cycles of ventilation recommended each hour?

A. 4 volume exchanges per hour

B. 5 volume exchanges per hour

C. 6 volume exchanges per hour

D. 7 volume exchanges per hour

When a respirator is required for a confined space, the user of the respirator must be fit tested at least how often?

A. Daily

B. Weekly

C. Monthly

D. Annually

E. As Needed

An Air Purifying Respirator (APR) would be an effective respirator in a confined space that contains IDLH conditions.

A. True

B. False

What does S.C.B.A. stand for?

A. Supplied Confined Breathing Air

B. Supplied Contained Breathing Apparatus

C. Self-Confined Breathing Apparatus

D. Self-Contained Breathing Apparatus