SCBA

Question 0

Medical factors

of wearer

Answer 0

Neurological functioning- motor coordination
Muscular condition- stamina to perform
Cardiovascular- prevents heart attack
Respiratory function- maximize air

Question 1

Limitations of wearer

Answer 1

Physical condition- conditions extend air supply
Agility - restricts movements and balance
Facial features- shape of face effects face piece to face seal

Question 2

Mental factors

Answer 2

Adequate training- SCBA use
Self confidence- belief in self
Emotional stability- maintain control

Question 3

Limitations of equipment

Answer 3

Limited visibility- face piece reduce peripheral
Decreased ability to communicate- hinder voice
Increase weight- 25 to 35 pounds
Decreased mobility- restrictions to straps

Question 4

Limitations of air supply

Answer 4

Physical condition 
Degree of physical exertion 
Emotional stability 
Condition of apparatus 
Cylinder pressure 
Training and experience

Question 5

Open circuit

Answer 5

Uses compressed air

Question 6

Closed circuit

Answer 6

Compressed oxygen

Question 7

Four basic SCBA components

Answer 7

Harness
Air cylinder
Regulator assembly
Fave piece assembly

Question 8

Harness assembly

Answer 8

Designed to hold the air cylinder

Question 9

Air cylinder assembly

Answer 9

Main weight of the breathing apparatus
30 min- 45 cubic ft
60 min- 87 cubic ft

Question 10

Regulator assembly

Answer 10

Air from cylinder through high pressure hose

Question 11

For emergency in the air assembly use

Answer 11

Bypass valve

Question 12

Remote pressure gauge

Answer 12

Shows oar pressure remaining

Reads within 100 psi

Question 13

PASS device

Answer 13

Alerts others that a firefighter has stopped moving

If firefighter remains motionless for 30secs device will emit loud pulsating shriek

Question 14

NFPA 1982

Answer 14

Pass

Question 15

According to us department of transportation and transpiration Canada cylinders must be hydro tested

Answer 15

New composite material - 5 years

Old composite material - 3 years

Question 16

What are the four safety checks after dawning your facepeice and going on air?

Answer 16

1. Hold breath and count to 10 with a seal
2. Breach seal with two fingers releasing air
3. Check that gangue is reading proper air psi
4. Test bypass valve

Question 17

What steps do you take if you have no air?

Answer 17

1. Check gangue for psi
2. Ensure bottle is fully open
3. Use bypass valve when breathing

Question 18

What steps should you take of you have a constant flow of air?

Answer 18

1. Shut off bottle and open only to breath

2. Monitor gagne for proper psi