418 Flashcards
1
Q
What O2 levels are unsafe
A
Below 19.5
Above 23.5
2
Q
How deep is open top spaces
A
More than 4ft
3
Q
What are the command positions
A
I
S
A
R
4
Q
What are the operational positions
A
A V L A E R
5
Q
What percent should the LEL of combustibles not exceed
A
10
6
Q
How many members per life line
A
1
7
Q
Who establishes appropriate PPE
A
IC
8
Q
Who is in charge of the Hot Zone
A
Attendant
9
Q
O2 above what percent is dangerous in a space
A
21%
10
Q
What is worn when entering confined space
A
Harness
SCBA
Lifeline
11
Q
What is a primary consideration for confined space
A
Flammable atmosphere
12
Q
What conditions require waiting for a chief
A
Deceased
Sight
SCBA
13
Q
What must never be used in a confined space
A
Medical oxygen
