Confined Space Exam Test
Bank Questions with 100%
Correct Answers
Which type of respirator protection is generally equipped with cylinders offering less
service time normally 5- or 10-minute rated cylinders. Therefore, the cylinders can be
used for emergency escape purposes only. They are commonly best suited for confined
space rescue. - Answer- Supplied Air Respirator with Escape Cylinder
Which type of respirator protection is designed for use only in atmospheres containing
sufficient oxygen to sustain life (at least 19.5 percent) and with known concentrations of
gases, vapor and particulates. - Answer- Air-Purifying Respirators
Which type of respirator protection uses special filter/chemical cartridges to remove
specific gases, vapors, dusts, mists, and fumes from the ambient air. - Answer- Air-
Purifying Respirators
The useful life of air purifying respirator cartridges depends not only on the
concentration of the contaminants, but also on the breathing volume of the user and the
capacity of the air-purifying medium. - Answer- True
Air-purifying respirators can be used for confined space entry when conditions are not
known. - Answer- False. Air-purifying respirators should not be used for confined space
entry unless known conditions exist and can be maintained.
Which type of respirator protection provides a means of escape from IDLH
atmospheres, has lightweight units, generally carried by the worker, and features a 5-
minute air cylinder that delivers respirable air to the hood. - Answer- Escape Respirators
An escape respirator must be able to provide a minimum air flow of _______ liters per
minute. - Answer- 72
Escape respirators must NEVER be used to ENTER a confined space. - Answer- True
What is the hood of an escape respirator typically made of? - Answer- A flexible
material (such as urethane), or Teflon.
, What can:
1. Shield employees from a variety of hazards, including cuts, scrapes, splashes, and
leaching of chemicals into the skin.
2. Improve safety of entry and exit from the confined space work area.
3. Help maintain body temperature. - Answer- Protective clothing
Type of protective wear that is:
1. Designed for top impact protection and to dissipate the impact of bumping into
objects.
2. Is frequently made of high-density plastic.
3. Has an inner suspension that creates an "impact space" between the crown of the
user's head and the interior of the headwear. - Answer- Head Protection: Protective hat
or cap
Flexible plugs and ear muffs are examples of what type of protection? - Answer-
Hearing Protection
What type of protective wear helps protect employees from caustics, acids and
chemicals leaching into the skin; and helps improve gripping in wet or slippery
environments. - Answer- Hand Protection
When working in a confined space atmosphere, contact must be maintained between
the workers in the space and the ____________ stationed outside. - Answer-
ATTENDANT
What type of devices are useful in confined spaces where communication between
workers and attendants is difficult? They are designed to sound if the wearer does not
move during a specified period of time, the alarm alerts other workers as well as the
attendant that a worker is not moving and may have been overcome. - Answer-
Personal Distress Devices (PDD)
Battery-operated, voice-activated communications systems are frequently used -
allowing the worker to move freely in the confined space and to eliminate the need for
hand-operated devices. - Answer- True
It is necessary to have a proper retrieval system for both workers and equipment. A
proper retrieval system includes: - Answer- A heavy-duty lifeline.
A tri-pod and personnel winch.
What controls the rate of lowering workers into the confined space and prevents
accidental falls. - Answer- Retrieval system
Who supervises the attendant and entrants for a confined space wor area? - Answer-
Entry Group Supervisor
Bank Questions with 100%
Correct Answers
Which type of respirator protection is generally equipped with cylinders offering less
service time normally 5- or 10-minute rated cylinders. Therefore, the cylinders can be
used for emergency escape purposes only. They are commonly best suited for confined
space rescue. - Answer- Supplied Air Respirator with Escape Cylinder
Which type of respirator protection is designed for use only in atmospheres containing
sufficient oxygen to sustain life (at least 19.5 percent) and with known concentrations of
gases, vapor and particulates. - Answer- Air-Purifying Respirators
Which type of respirator protection uses special filter/chemical cartridges to remove
specific gases, vapors, dusts, mists, and fumes from the ambient air. - Answer- Air-
Purifying Respirators
The useful life of air purifying respirator cartridges depends not only on the
concentration of the contaminants, but also on the breathing volume of the user and the
capacity of the air-purifying medium. - Answer- True
Air-purifying respirators can be used for confined space entry when conditions are not
known. - Answer- False. Air-purifying respirators should not be used for confined space
entry unless known conditions exist and can be maintained.
Which type of respirator protection provides a means of escape from IDLH
atmospheres, has lightweight units, generally carried by the worker, and features a 5-
minute air cylinder that delivers respirable air to the hood. - Answer- Escape Respirators
An escape respirator must be able to provide a minimum air flow of _______ liters per
minute. - Answer- 72
Escape respirators must NEVER be used to ENTER a confined space. - Answer- True
What is the hood of an escape respirator typically made of? - Answer- A flexible
material (such as urethane), or Teflon.
, What can:
1. Shield employees from a variety of hazards, including cuts, scrapes, splashes, and
leaching of chemicals into the skin.
2. Improve safety of entry and exit from the confined space work area.
3. Help maintain body temperature. - Answer- Protective clothing
Type of protective wear that is:
1. Designed for top impact protection and to dissipate the impact of bumping into
objects.
2. Is frequently made of high-density plastic.
3. Has an inner suspension that creates an "impact space" between the crown of the
user's head and the interior of the headwear. - Answer- Head Protection: Protective hat
or cap
Flexible plugs and ear muffs are examples of what type of protection? - Answer-
Hearing Protection
What type of protective wear helps protect employees from caustics, acids and
chemicals leaching into the skin; and helps improve gripping in wet or slippery
environments. - Answer- Hand Protection
When working in a confined space atmosphere, contact must be maintained between
the workers in the space and the ____________ stationed outside. - Answer-
ATTENDANT
What type of devices are useful in confined spaces where communication between
workers and attendants is difficult? They are designed to sound if the wearer does not
move during a specified period of time, the alarm alerts other workers as well as the
attendant that a worker is not moving and may have been overcome. - Answer-
Personal Distress Devices (PDD)
Battery-operated, voice-activated communications systems are frequently used -
allowing the worker to move freely in the confined space and to eliminate the need for
hand-operated devices. - Answer- True
It is necessary to have a proper retrieval system for both workers and equipment. A
proper retrieval system includes: - Answer- A heavy-duty lifeline.
A tri-pod and personnel winch.
What controls the rate of lowering workers into the confined space and prevents
accidental falls. - Answer- Retrieval system
Who supervises the attendant and entrants for a confined space wor area? - Answer-
Entry Group Supervisor
