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Captian Study questions > Fire Officers Handbook > Flashcards

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
Q

Quick estimate for placing a ladder from building.

A

Working height divided by 4

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26
Q

High security padlocks have a bow of___ inch of casehardened steel>

A

3/8 inch

27
Q

Name three categories of biological agents.

A

Bacteria, Viruses, Toxins

28
Q

____ is the sprinkler system that was a compromise to install a system with no water supply connection other than the fire dept siamese.

A

Non-automatic system

29
Q

NFPA 14 permits up to____ psi max on 2 1/2” standpipes/

A

175 PSI

30
Q

Newer type taxpayers use____ type of roofs that typically fail in as little as 5 minutes.

A

Bar joist and corrugater metal deck

31
Q

Name the types of nerve agents.

A

Sarin, Soman, Tabun, VX, and GF

32
Q

Any occupancy that is subject to CADS hazard display should be inspected____.

A

At least annually

33
Q

If a fire in a residential occupancy has passed the flashover stage, a hose line of at least____ inch diameter is required.

A

1 1/2 inch

34
Q

Class____ building show the greatest resistance to collapse.

A

Class 1 fire proof construction

35
Q

Class 4 Heavy Timber construction has__x__ floor and roof members

A

3”X 6”

36
Q

Collapse zone of a building is at least_____.

A

Distance equal to height of wall

37
Q

Bowstring truss potential collapse.

A

2 1/2 times the hight of the wall

38
Q

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

A

Semi-Automatic dry

39
Q

Class 4 Heavy Timber, what is the minimum dimensions of the columns, beams, and girders?

A

8”X 8”

40
Q

Most residential building have a fire load of how many pounds per square foot?

A

5 (five) pounds

41
Q

Water will absorb how many BTUs when heated from 70 degrees to steam?

A

9275 BTUs

42
Q

Conatant gallonage nozzles are usually desighed to operate at what pressure?

A

100 psi

43
Q

A standard sprinkler operating at 100psi will discharge how many GPMs?

A

55-60 GPM

44
Q

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?

A

Fox Lock

45
Q

What is the base pressure in psi

A

.434 per foot

46
Q

What is the most common type of sprinkler control valve?

A

OS&Y

47
Q

You should use no more the___ lengths of 1 3/4 hose at 150 gpm.

A

6 (six) lenghts

48
Q

CAFS use 3-6 gallons of concentrate for every____ gallons of water.

A

1000 gals

49
Q

Low residual pressure most common when in-line pumping is used with___or___ hose supply lines.

A

2 1/2” or 3” supply lines

50
Q

____ is uses to find hidden fires.

A

Overhaul

51
Q

A_____ is the frame of a door not a type or style.

A

Stile

52
Q

Townhouses are?

A

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
Q

How many gallons of foam concentrate are used per 1000 gallons of water in a CAFS system.

A

3-6 gallons of foam

54
Q

Class A pumpers are rated to deliver their maximum volume of water at what pressure?

A

150 PSI

55
Q

What formula uses cubit footage when determining required GPM?

A

Kimball rule of Thumb and Iowa State university Rate of Flow Formula

56
Q

Class of building construction least likely to most likely to collapse.

A 
Type 1 Fireproof  
Type 4 Heavy timber
Type 3 Ordinary
Type 5 Wood-Frame
Type 2 Noncombustible
57
Q

What is the most important factor in the hierarchy of structural components?

A

Bearing Walls

58
Q

Six lengths of 1 3/4” will flow how many GPM?

A

150 GPM

59
Q

Any occupancy that is subject to CADS hazard display should be inspected when?

A

At least annually

60
Q

What type of building construction does the 20 minute rule apply?

A

Class 3 and Class 5

61
Q

In non-residential structures how many more firefighters die than in residential

A

More than 4 times

62
Q

Air aspirating nozzles typically create a ____to____expansion ratio of foam

A

7:1 to 10:1

62
Q

How many GPM is recommended for most commercial occupancies?

A

20-30 gpm / sq. ft

Captian Study questions (9 decks)

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