Engine Conpany Flashcards

(53 cards)

0
Q

Travel of hear through space?

A

Radiation

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1
Q

3 ways fire travels

A

Radiation
Conduction
Convection

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2
Q

Travel of heat through motion and heated matter?

A

Convection

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3
Q

Is the travel of heat through a solid body?

A

Conduction

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4
Q

Which if the three sources of heat travel can contribute to flashover alone?

A

Convection

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5
Q

Which source of heat travel contributes to flash over, however can not cause flashover alone?

A

Radiation

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6
Q

A portable unit that can be either mounted on or detached from pumper

A

Deluge set

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7
Q

Disadvantage if the reverse lay?

A

Does not get water to the fire as fast.

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8
Q

What type of building might you not be able to see a fire in the rear?

A

Garden apartments

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9
Q

Standard way of indicating that a room has been searched, so there is no duplication?

A

Place light furniture in the doorway with legs pointing it of the room.

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10
Q

3 factors influence the movement of water?

A

The water source
The pumper
The hose

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11
Q

There are 4 possible sources of water at the fire ground

A

Water main
Drafting
Booster
tankers

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12
Q

Static pressure

A

Pressure of the hydrant at rest

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13
Q

For 5% drop
10%
20%

A

5 3 equal
10 2 more equal
20 1 more equal

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14
Q

What is a triple combination pumper?

A

Pump
Booster tank
Hose

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15
Q

During relay pumping What pressure should be pumped?

A

150psi

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16
Q

For safest and most effective operations for interior firefighting where civilians and ff will be in the area, what should be used?

A

Solid stream or dog nozzles adjusted to straight stream

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17
Q

The ___ degree fog angle produces a combination of reach and fog pattern

A

30 degree

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18
Q

Solid stream from a fog nozzle is still a ___ stream

A

Broken

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19
Q

A typical 1 1/2” line equipped with a fog nozzle will discharge under proper pressure from ___ to ____ gpm

A

90-100gpm

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20
Q

1 3/4” can discharge with either dog or solid stream ____ gpm

A

200

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21
Q

3 types of fog nozzles

A

Constant flow
Variable adjustable
Automatic

22
Q

Disadvantage of an automatic nozzle?

A

Will produce 100psi nozzle pressure and maintain a “good looking stream” but it may be ineffective.

23
Q

When lines are take up face of the building, how many sections of hose are required to reach 5 stories?

24
How many sections needed for each floor when going up stairways?
1 section
25
Backup lines should have a ____ reach an deliver _____water than the initial attack lines. In general backup lines should be ____?
Greater reach More water One size larger
26
When are back up lines to be used?
When Initial attack lines cannot quickly control the fire.
27
Ideal position for exposure protection?
One that maximizes the reach and effectiveness of that stream while providing ff's shelter from radiant heat
28
Where are vertical channels normally placed in commercial buildings?
Toward the rear
29
Where are vertical channels placed in apartment buildings?
Most often found near the kitchens and bathrooms. Each shaft is placed so as to serve two,four or more apartments
30
I attack a fire from below, an opening should be made at about ?
Waist high
31
What's a wagon pipe?
Deck gun
32
Gpm of a 1 3/4 too on master stream?
800 gpm
33
2 inch rip gpm of master stream?
1,000 gpm
34
1 1/2" too of master stream gpm?
600
35
No more than ___ft of hose between a pumper at the fire and a heavy stream?
100ft
36
Interior hose stations to be used by occupants of a building is referred to as?
House line
37
Minimum flow and psi required for wet system standpipe?
250gpm | 65 psi to the roof
38
Second requirement of wet standpipes is ___psi on a ____ tip to ___ft of ___" hose?
40psi 1 1/8" tip 100ft 2.5"
39
Two problems with house lines?
Poorly maintained Rarely tested Secondly due to over confidence residence they do not call 911 immediately.
40
Most modern codes require a riser outlet within ___ft of every office and apartment door?
125ft
41
A standpipe connection is generally placed on ____, within ____ on which the words standpipe system?
The wall A rectangular plate
42
Automatic sprinklers are places within a _____ plate?
Circular
43
Minimum size for a standpipe is ___"
4"
44
When hooking up to a standpipe, which side do you hookup first?
Left
45
Most standpipes are tested to?
225psi
46
What is a wall hydrant?
Outlets from gravity tanks, elevated water sources.
47
How many daft will a sprinkler head cover?
100 SQFT
48
4 types of sprinkler systems?
Wet Dry Preaction Deluge
49
What is a reaction system?
A dry system with the addition of of air exhausters controlled by heat detectors.
50
What is deluge system?
Designed to deliver large amounts of water, heads are open at all times.
51
Sprinklers are tested at?
200psi
52
Set to ___psi for sprinkler system
125psi