Confined Space Entry

Question 1

Define Attendant.

Answer 1

individual stationed outside a permit required confined space who monitors the
authorized entrants

Question 2

Define Authorized entrant

Answer 2

An individual who has attended the required Confined Space Entry training and is trained to enter a confined space

Question 3

What are the two schools you can be trained in confined space entry

Answer 3

U.S. Army Transportation School or National Fire Protection Association (NFPA)

Question 4

Define Adjacent spaces

Answer 4

Spaces bordering a subject space in all directions, including all points of contact,
corners, diagonals, decks, tank tops, and bulkheads

Question 5

Define Confined space

Answer 5

Large enough that an individual can bodily enter and perform assigned work.

limited or restricted means for entry or exit

Not designed for continuous occupancy

Question 6

Define enclosed space

Answer 6

Any space, other than a confined space, which is enclosed by bulkheads and
overheads. It includes cargo tanks, tanks quarters, and machinery and boiler spaces.

Question 7

Define Entry

Answer 7

Any action resulting in any part of an individual’s body breaking the plane of any opening
of the confined space, and includes any work activities inside the confined space.

Question 8

What is considered a oxygen deficient atmosphere

Answer 8

Air containing less than 19.5% oxygen by volume

Question 9

What is considered dangerous for high oxygen levels

Answer 9

enriched atmosphere containing more than 22% oxygen by volume

Question 10

A permit-required confined space must have one or more of the following 4 factors

Answer 10

Contains or has a potential to contain a hazardous atmosphere.

Contains a material that has the potential for engulfing an entrant.

Has an internal configuration such that an entrant could be trapped or asphyxiated by inwardly converging walls or by a floor which slopes downward and tapers to a smaller cross section.

Contains any other recognized safety or health hazard

Question 11

Who is responsible for establihing a CSE SOP

Answer 11

Commanders

Question 12

What form is used in confined space entry

Answer 12

General Services
Administration (GSA) Form 3625

Question 13

Who is responsible to make sure conditions are safe throughout confined space work

Answer 13

Entry Supervisor

Question 14

What person must remain outside confined space during confined space work

Answer 14

Attendant

Question 15

Who is most likely to die in a confined space incident

Answer 15

Rescuers. Around 60% of all fatalities

Question 16

What is the primary and secondary causes of death during confined space work

Answer 16

1. Ashyxiation
2. Fire

Question 17

How long must you keep nonpermit atmospheric test results on file

Answer 17

1 Year.

Question 18

What must all spaces that have a potential confined space hazard be labeled

Answer 18

DANGER CONFINED SPACE and secured if possible

Question 19

What must be maintianed on all confined space entry meters

Answer 19

A DD Form 314 (Preventive Maintenance Schedule and Record)

Question 20

How often will you calibrate a CFE Meter

Answer 20

done prior to each daily use, but will not exceed monthly if the meter is not in use

Question 21

What is the carbon monoxide limit for CSE

Answer 21

35 PPM

Question 22

What is the LEL of CSE

Answer 22

10%

Question 23

What is the desired Oxygen level for CSE

Answer 23

20.8%
( 0 percent LEL, 0 ppm CO, 0 ppm of other hazardous gases)

Question 24

How do you control oxygen hazards

Answer 24

Blowing fresh air into space

Question 25

How do you control toxic/flammible hazards

Answer 25

Exhausting air from space

Question 26

Who can decide what hot work is

Answer 26

A Marine Chemist,
Army authorized person
Certified Industrial Hygienists

Question 27

When will hot work NOT be accomplished

Answer 27

If LEL is more than 10%

Question 28

What level LEL must organizations strive to attain

Answer 28

0%

Question 29

If a meter alarm sounds what is the first action required

Answer 29

Clear the space

Question 30

Can an attendant attempt an entry rescue if a dire emergency

Answer 30

No only non entry rescue can be attempted until help arrives

Question 31

What should the primary methed of rescue be for CSE

Answer 31

Self Rescue

Question 32

During CSE where will permits be located and for how long will you keep them on record

Answer 32

Posted at point of entry and copy of the
permit will be maintained by the organization for three months following the entry.

Question 33

What fire extinguishers will you NOT use in confined or enclosed spaces

Answer 33

vaporizing liquid extinguishers

Question 34

What federal regulation covers CSE

Answer 34

CFR 29 Part 1915

Question 35

What is a Class II Liquid

Answer 35

Any liquid that has a flash point at or above 37.8°C (100°F) and below 60°C (140°F)

Question 36

What is a Class IIIA liquid

Answer 36

Any liquid that has a flash point at or above
60°C (140°F), but below 93°C (200°F)

Question 37

What is a class IIIB liquid

Answer 37

Any liquid that has a flash point at or above
93°C (200°F)

Question 38

Is LEL used as a measure of toxicity?

Answer 38

No, LEL should not be used to determine the toxic level. It is to be used in those instances where a fire hazard would be present

Question 39

What is hot work

Answer 39

Work that includes any spark, flame, or extreme heat such as welding, burning, brazing, grinding, cutting, chipping, use of tools that produce an electrical arc.

Question 40

What is required if atmospheric testing shows a flammable environment

Answer 40

Both a CSE and hot work permit required

Question 41

How long should fire watches remain on station for after hot work is complete

Answer 41

30 minutes

Question 42

During hot work watch should the fire watch have on hand if possible

Answer 42

A 1in charged fire hose