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Fire Officers Handbook Flashcards

1
Q

The traditional size-uo includes how many points?

A

13 points

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2
Q

The majority of brick buildings are which class?

A

Class 3

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3
Q

Building class Non-combustuble refers to what?

A

The fuel contributed by the structural

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4
Q

Fog nozzles cause what ratio of expansion of most foam solutions?

A

2:1 or 3:1

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5
Q

The pressure of water in an open container depends solely on what?

A

Depth

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6
Q

Which standpipe has a deluge-type valve connection and set of manual pull boxes at each hose station?

A

Semi-automatic dry

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7
Q

Which standpipe system allows a department to use heavy streams as well as provide for occupant use?

A

Class III

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8
Q

What is the most efficient way to remove a lock cylinder?

A

K-tool

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9
Q

Positive pressure can move how much of the volume of smoke as compared to negative pressure?

A

Almost twice

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10
Q

Stack effect is noticeable in buildings that are how tall?

A

More than 60 feet

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11
Q

Natural gas is more than how much methane?

A

90%

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12
Q

The key requirements for an indirect attack are what?

A

No occupants, Limited ventilation, High heat, and Limited size of potential fire area

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13
Q

The main threat of a dirty bomb is from what?

A

Physical damage, trauma and burns

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14
Q

What are the 4 characteristics of garden apartments?

A

1-3 stories tall as high a six stories,
Low rise multiple dwelling,
Light weight construction,
living quarters for each apt on on level with exterior stairs

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15
Q

In this day of modern breathing apparatus, only 2 things should prevent a hoseline’s advance.

A

Heat and Flame

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16
Q

Steel loses its strendth at_____.

A

1500 degrees

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17
Q

Most common roof in the east and midwest in the past 20-30 years is.

A

Metal deck roof

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18
Q

Type of collapse where one side collapses.

A

Lean-to collapse

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19
Q

What type of chemical agent is Sarin?

A

Nerve agent

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20
Q

What are the three types of fire attack?

A

Indirect, Direct, Combination

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21
Q

What three factors cause sprinkler fires to lack the fresh air layer found in one unsprinklered

A

Increased cardon monoxide,
Sinking fire gases,
Smoke being push down

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22
Q

What is the best attack of the free burning stage?

A

Combination attack

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23
Q

Weight of air above us is equal to how many feet of water?

A

33.9 feet of water, (14.7 psi)

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24
Q

What is the definition of Pre-action sprinkler system?

A

Automatic detection system coupled to automatic dry-pipe system, has compressed air, closed sprinklers.

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25
Quick estimate for placing a ladder from building.
Working height divided by 4
26
High security padlocks have a bow of___ inch of casehardened steel>
3/8 inch
27
Name three categories of biological agents.
Bacteria, Viruses, Toxins
28
____ is the sprinkler system that was a compromise to install a system with no water supply connection other than the fire dept siamese.
Non-automatic system
29
NFPA 14 permits up to____ psi max on 2 1/2" standpipes/
175 PSI
30
Newer type taxpayers use____ type of roofs that typically fail in as little as 5 minutes.
Bar joist and corrugater metal deck
31
Name the types of nerve agents.
Sarin, Soman, Tabun, VX, and GF
32
Any occupancy that is subject to CADS hazard display should be inspected____.
At least annually
33
If a fire in a residential occupancy has passed the flashover stage, a hose line of at least____ inch diameter is required.
1 1/2 inch
34
Class____ building show the greatest resistance to collapse.
Class 1 fire proof construction
35
Class 4 Heavy Timber construction has__x__ floor and roof members
3"X 6"
36
Collapse zone of a building is at least_____.
Distance equal to height of wall
37
Bowstring truss potential collapse.
2 1/2 times the hight of the wall
38
Which standpipe has a deluge-type valve connection and a set of manual pull boxes at each hose station?
Semi-Automatic dry
39
Class 4 Heavy Timber, what is the minimum dimensions of the columns, beams, and girders?
8"X 8"
40
Most residential building have a fire load of how many pounds per square foot?
5 (five) pounds
41
Water will absorb how many BTUs when heated from 70 degrees to steam?
9275 BTUs
42
Conatant gallonage nozzles are usually desighed to operate at what pressure?
100 psi
43
A standard sprinkler operating at 100psi will discharge how many GPMs?
55-60 GPM
44
A door that has a pattern of bolts in the middle and two more sets at the edge of the door represents what type of lock?
Fox Lock
45
What is the base pressure in psi
.434 per foot
46
What is the most common type of sprinkler control valve?
OS&Y
47
You should use no more the___ lengths of 1 3/4 hose at 150 gpm.
6 (six) lenghts
48
CAFS use 3-6 gallons of concentrate for every____ gallons of water.
1000 gals
49
Low residual pressure most common when in-line pumping is used with___or___ hose supply lines.
2 1/2" or 3" supply lines
50
____ is uses to find hidden fires.
Overhaul
51
A_____ is the frame of a door not a type or style.
Stile
52
Townhouses are?
similsr to one-family private homes but are attached to other homes on each side, typically have two or more floors, and room size and fire loading are very similar to a more traditional house
53
How many gallons of foam concentrate are used per 1000 gallons of water in a CAFS system.
3-6 gallons of foam
54
Class A pumpers are rated to deliver their maximum volume of water at what pressure?
150 PSI
55
What formula uses cubit footage when determining required GPM?
Kimball rule of Thumb and Iowa State university Rate of Flow Formula
56
Class of building construction least likely to most likely to collapse.
``` Type 1 Fireproof Type 4 Heavy timber Type 3 Ordinary Type 5 Wood-Frame Type 2 Noncombustible ```
57
What is the most important factor in the hierarchy of structural components?
Bearing Walls
58
Six lengths of 1 3/4" will flow how many GPM?
150 GPM
59
Any occupancy that is subject to CADS hazard display should be inspected when?
At least annually
60
What type of building construction does the 20 minute rule apply?
Class 3 and Class 5
61
In non-residential structures how many more firefighters die than in residential
More than 4 times
62
Air aspirating nozzles typically create a ____to____expansion ratio of foam
7:1 to 10:1
62
How many GPM is recommended for most commercial occupancies?
20-30 gpm / sq. ft

Captian Study questions (9 decks)

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