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Norman > chapter 4 > Flashcards

chapter 4 Flashcards

1
Q

Which of the following is a false statement about high expansion foam

A

It will achieve complete knockdown

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2
Q

how many gallons of concentrate per 1,000 gallons of water are used in the commercial compressed air foam system

A

3 to 6

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3
Q

Which of the following is not a characteristic that is considered when selecting homeliness for a residential fire

A

Large open fire areas

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4
Q

What should be the purpose of the hosteling placement when dealing with fire in one story commercial buildings

A

Cut it off

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5
Q

What angle of application is possible with the bent tip

A

90 degree

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6
Q

How many floor can be stretched with one length of hose line in an older building with a wide stairwell from top to bottom

A

5

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7
Q

Which of the following things does the water part of the foam additive perform on the fire

A

Cools the fuel faster than foam

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8
Q

How many spare lengths of hose should the nozzle team show up with to ensure that the correct amount of hose is available

A

1 to 2

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9
Q

What can be used to easily store and deploy 100 feet of nylon rope

A

1 1/2 gallon bleach bottle

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10
Q

What is the maximum number of bends a hosteling can go through before a member must be positioned to fee the line

A

1

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11
Q

Which of the following is most effective when fighting a flammable liquid fire in a tank truck

A

Bent tip applicator

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12
Q

What must be accomplished when combating a Class A fire

A

Cool fuel until it stops giving off flammable vapors

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13
Q

What is the maximum number of 1 1/2 inch hose lengths that should be reconnected as a rule of thumb to flow 125 gpm

A

4

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14
Q

Which design should all nozzles be to ensure more flexibility when a change in nozzle is needed during operations

A

Break apart

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15
Q

Which of the following statements gives an overview of the engine company’s job at the fire incident

A

Putting the proper size hosteling at the required place in the least possible time with the most efficient use of personnel

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16
Q

When fire is in a frame construction building what is the thing that protects an exposure

A

Having distance between the buildings

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17
Q

Which of the following factors determine the length of hose line needed

A

Building’s height

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18
Q

What is the minimum size hose line needed when the fire has passed the flashover stage in a residence

A

1 1/2 inch

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19
Q

What should the placement of the hosteling in a multistory building be

A

Interior staircases

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20
Q

What was added to the water to allow for a larger gallon per minute flow from a smaller hose line

A

Polyox

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21
Q

Who is the best person to evaluate the stream

A

Nozzleman

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22
Q

How many paces should the nozzle man step before allowing the next member to take his section

A

2 to 3

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23
Q

What allows for the hose line to be stretched in a rapid manner

A

Number of personnel

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24
Q

What is the worst thing that can be done when there is a major fire in a commercial building

A

Stretch short

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25
Q

Which of the following is a circumstance that members should enter a high expansion blanket

A

The entry is needed for fire containment reason and the structural integrity is assured

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26
Q

Where should the hose be stretched when bringing it up the outside of the building

A

Floor below the fire floor

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27
Q

Which part of the nozzle is removed to convert the fog spray to a solid stream nozzle

A

Tip

28
Q

Which of the following will result when each arriving company has their own commander

A

Greater losses

29
Q

How many BTU’s are produced when a pound of styrene foam burns

A

18,000

30
Q

Which part of the hose should be exposed to allow for operation in the larger buildings that are encountered

A

Male end

31
Q

What is the reaching radius of the bresnan distributor

A

15 to 20 feet

32
Q

What is used to regulate the size of the discharge opening in an automatic nozzle

A

Spring

33
Q

What is considered the maximum size commercial building that a 2 1/2 inch hose line will be effective

A

20 x 75 ft

34
Q

Which type of building and situation would cal for an attack from the unburned side of the fire

A

Vacant building

35
Q

When should the situation be evaluated in relation to pulling the hoseline

A

Before

36
Q

Which is the rule of thumb that should be followed when using a nozzle on the hoseline

A

No nozzle should have an opening greater than half the diameter of its supply.

37
Q

When should a hose line be carried charges

A

Below grade fires

38
Q

What is the minimum amount of hose that should be stretched when the building is 200x200ft

A

400 feet

39
Q

How many lengths of hosteling should be stretched for each flight of stairs

A

1

40
Q

What should be done the a hose line must pass through a doorway

A

Chock the door

41
Q

Which of the following is not a reason for using the larger hose line in commercial occupancies

A

Floor areas require lighter hitting streams

42
Q

Which of the following is the first thing to remember when combating a fire

A

Protect life

43
Q

Which of the following would be a greater threat in terms of fire extension when a fire is venting from a window in a brick structure

A

A window in line with it and slightly higher

44
Q

Which of the following things should not be done with the aerial device

A

As a standpipe

45
Q

Which of the following are now used mostly on ships

A

Applicator pipes

46
Q

What should be reduced to increase the striking power

A

Nozzle opening

47
Q

Which can be used to extinguish a fire under the hood of vehicle when it cannot be opened

A

Piercing nozzle

48
Q

What are the two criteria that must be met for a hosteling attack to be effective

A

Having the correct amount of water and placing the water at the seat of the fire

49
Q

What is the ideal pressure of the constant gallonage fog nozzle

A

100

50
Q

Which type of nozzle delivers a fixed, cone shaped spray pattern

A

Fog

51
Q

What can de done when there is an elevator that has been added within the stairwell of an older building

A

Haul the hosteling via rope up the outside of the building

52
Q

What pressure can the low pressure fog nozzle deliver a suitable stream

A

50 to 75

53
Q

What is the primary function of high expansion foam

A

Fill an enclosure

54
Q

What needs tone available when high expansion foam is being used

A

Ventilation

55
Q

Which of the following statements gives an overview of the engine company job at the fire incident

A

Putting the proper size hose line at the required place in the least possible time with the most efficient use of personnel

56
Q

Which expansion ratio is created when an air aspirating nozzle is used with Class A foam

A

7:1

57
Q

What should the placement of the hose line in a multistory building be

A

Interior staircase

58
Q

What does it mean to say that a fog nozzle is a constant gallonage type

A

As long as the pressure remains constant the flow is constant in any spray pattern

59
Q

What is the reach of the stream created by the cellar nozzle

A

50 feet

60
Q

Which of the following is the first thing to remember when combating fire

A

Protect life

61
Q

Wha is used to regulate the amount of water flowing past the opening in a hoseline

A

Shutoff portion

62
Q

What size hose line bas been found to be effective on multistory apartment buildings

A

1 3/4 inch

63
Q

Which of the following is Not true regarding a hose line that has been trapped in a doorway

A

Props the door open

64
Q

How many people are needed to move a 2 1/2 inch hotline fitted with a 1 1/4 inch tip

A

3

65
Q

Which of the following is considered the most important element when laying hoseling

A

Placement

66
Q

Which of the following is not a benefit from protecting the staircases

A

Conceal the severity of the fire from the occupants

67
Q

Which type of nozzle allows for a wide range of patterns to be chosen simply by turning the outer barrel of the nozzle

A

Variable pattern, peripheral fog

Norman (8 decks)

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