Final Test 2

Question 1

___________________ refers to the amount of heat absorbed by any substance when it is converted from a liquid to a vapour.

Answer 1

Latent heat of vaporization refers to the amount of heat absorbed by any substance when it is converted from a liquid to a vapour.

Question 2

What are the parts of the SCBA?

Answer 2

1. Back Frame
2. Universal Air connection
3. Hold down clip
4. High pressure hose and Reducer pressure lines
5. Hose and wire retaining clip
6. Harness
7. Console gauge/Pass control
8. Vibra alert
9. Face piece regulator
10. Regulator quick disconnect
11. Face piece/regulator lock
12. Donning switch
13. Purge valve

Question 3

What are the 4 steps of sprinkler activation?

Answer 3

4 Step Function

1. detect a fires presence
2. alarm or transmit a signal to agencies indicating alarm is activated
3. control growth of the fire
4. extinguish the fire completely

Question 4

Span of Control

Answer 4

The chain of command is coordinated and maintained by a span of control.
Span of control is defined as:
 The number of personnel one individual can effectively manage.
 A rule of thumb in the fire service is that an officer can directly supervise three to seven firefighters, or functional units, effectively.
• A functional unit could be a staffed fire apparatus (pump, rescue, ladder, tanker) or a task force (a group of similar apparatus).

Question 5

Parts of the rope

Answer 5

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Question 6

Difference between Primary and secondary search

Answer 6

Primary Search, includes
 Closets
 Perimeters of each room
 Under beds
 Middle of each room.
Secondary Search includes
 Closets
 Perimeters of each room
 Under beds
 Middle of each room.
 Bathtubs and shower stalls
 Behind furniture

Question 7

Hose coupling diagram

Answer 7

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Question 8

Parts of wood frame house

Answer 8

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Question 9

Parts of Ladder

Answer 9

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Question 10

Hose lay diagram

Answer 10

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Question 11

What are the three types of devices designed to relieve excessive gas pressure?

Answer 11

1. Safety relief valve
2. Fusible plug
3. Rupture disk

Question 12

Types of Sprinkler Systems

Answer 12

 Wet Systems
 Dry-Pipe Systems
 Pre-Action
 Deluge System
 Residential System
 Halogenated, Dry Chemical, CO2 Systems