SCBA Manual Chapter 1 - Sheet1 Flashcards Preview

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Flashcards in SCBA Manual Chapter 1 - Sheet1 Deck (17)
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1
Q

From SCBA:

What is Phosgene?

A

Is a colorless gas when refrigenrants, such as freon, used in refrigerators, air conditions and beverage coolers come in contact with flame

2
Q

From SCBA:

Whats is the percent if oxygen in the earth’s atmosphere?

A

21 percent

3
Q

From SCBA:

How many toxic gases are mentioned in the SCBA Manual?

A

7

4
Q

From SCBA:

At what concentration level is Carbon Monoxide considered a extremely lethal gas?

A

3,200 ppm or .32 percent

5
Q

From SCBA:

Which gas has a noticeable odor of “bitter almond”

A

Hydrogen Cyanide

6
Q

From SCBA:

What is the most notable source of hydrogen chloride?

A

PVC Polyvinyl Chloride

7
Q

From SCBA:

The normal concentration of carbon dioxide in the atmosphere is ___?

A

300ppm or .03 percent

8
Q

From SCBA:

Hydrogen Sulfide has the characteristic of what foul odor?

A

rotten eggs

9
Q

From SCBA:

Hydrogen Cyanide kills by interfering with_____?

A

The oxygen exchange at the celluar level, preventing tissues and cells from absorbing and using oxygen

10
Q

From SCBA:

Which gas is extremely irritating to the eyes?

A

Sulfur Dioxide

11
Q

From SCBA:

The use of SCBA’s are mandatory when working in ________?

A

atmospheres that contain the products of combustion

12
Q

From SCBA:

Firefighters should not enter atmospheres that have temps exceeding________?

A

120 to 130 degrees fahrenheit

13
Q

From SCBA:

S.C.B.A stands for ?

A

Self Conatined Breathing Apparatus

14
Q

From SCBA:

Percentage of nitrogen in earths atmosphere?

A

78%

15
Q

From SCBA:

carbon monoxide units with hemoglobin ______ times more readily than oxygen.

A

210

16
Q

From SCBA:

Phosgene produces what kind of odor?

A

musty hay

17
Q

From SCBA:

When mixed with water, what does phosgene turn into?

A

HCL (hydrochloric acid)