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1 year test Flashcards

1
Q

What are Class C extinguishers used for?

A

Electrical Equipement

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2
Q

When is a vapor concentration too lean?

A

When its below the LEL

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3
Q

One of the Phoenix FD’s keys to safe behavior?

A

Vent early and vent often

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4
Q

What to do at a major incident?

A

direct media to the PIO

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5
Q

Which is not an indication of susceptible collapse?

A

Platform Construction

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6
Q

Most significant fuel factor influencing fire behavior in a compartment?

A

Surface mass

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7
Q

What led to the development of pumping apparatus?

A

The Industrial Revolution

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8
Q

Concentration of fuel vapor in the air needed for combustion is?

A

Flammable Range

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9
Q

Hot Zone?

A

Control Zone with actual emergency incident in it

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10
Q

Fire Point

A

Minimum Temp at which at which a liquid gives off enough vapors to burn continuosusly

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11
Q

light weight trusses

A

common construction feature that is a serious threat to FF’s

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12
Q

Method of extinguishment of water

A

Decrease Temp (cooling)

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13
Q

RIC

A

Personnel available to assist endangered FF’s

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14
Q

program to assist employees in developing and maintain physical activity required for the job

A

wellness program

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15
Q

most common application for cast iron in building construction

A

exterior veneer in old buildings

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16
Q

sign of fire damage to concrete

A

spalling

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17
Q

true statement about lightweight trusses

A

can be made of steel or wood

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18
Q

what’s likely to happen if fresh air is introduced to unvented, 02 starved fire

A

Backdraft

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19
Q

top/bottom horizontal member of a frame wall

A

plate

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20
Q

true statement about training in a safe manner

A

all equipment should be inspected before the drill

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21
Q

load bearing wall

A

supports structural weight

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22
Q

what factor most undermines the effectiveness of a safety program

A

lack of support

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23
Q

unburned gases in the hot gas layer ignite and spread flames across the ceiling

A

rollover

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24
Q

Dry Chem and Halon agents extinguish fires by

A

Disrupting the chemical

chain reaction.

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25
fire in churches/warehouses
In churches/warehouses vertical ventilation is critical for retarding spread of fire.
26
Program that addresses ETOH stress at home
Employee Assistance Program.
27
02% in the air is 21%.
02% in the air is 21%.
28
. On a pitched roof what supports the roof decking
Rafters
29
Widest flammable range out of Propane, CO, Gasoline, Methane
CO
30
Critical Incident defusing
Informal discussion shortly after a critical incident involving all personnel involved
31
Allowing a fire to burn itself out
fuel removal (extinguishment method).
32
Roof covering that contributes the most to fire spread
treated wood shakes
33
National fallen Firefighter Foundation goal is to decrease FF fatalities by...
50% over 10 years.
34
NFPA standards
Consensus standards
35
1st successful fire insurance company in N. America was started by
Ben Franklin
36
Primary purpose of discipline
education
37
SOP functions as a framework for
decision-­‐making
38
True statement about 2 in/2o out=
mandated by both NFPA and OSHA.
39
Written Strategy and Program to protect/ensure personnel safety
safety Policy.
40
One cubic foot of water completely vaporizes into (steam)
1700 cubic feet of steam
41
Horizontal structural members that support floors/ceilings
Joists
42
Lightweight steel trusses can be expected to fail at
1000 degrees F.
43
Disadvantage to heavy timber construction
susceptible to water damage
44
True statement about safe tool use
intrinsically safe tools can be used | around flammable vapors.
45
What conducts heat most readily out of wood, concrete, steel, or copper
COPPER
46
National Fallen Firefighters want to decrease FF fatalities by
25% in 5 years
47
Protecting exposures
Primary concern of defensive mode
48
Form of energy that increases temperature
Heat
49
True statement about heavy fire loading
critical hazard.
50
Gabled roof has attic vents on
gable walls
51
What is hypoxia
lack of 02
52
. Which is correct principle of operating in an IDLH environment?
50%
53
What is the correct way to clean natural fiber rope?
Brush No Water.
54
Natural Fiber Ropes, when compared to synthetic are less preferable
Natural Fiber Ropes, when compared to synthetic are less preferable
55
Which turnout coat pant component is specifically required by NFPA standards?
OUTER SHELL.
56
How is the relative effectiveness of class D extinguishing agents expressed
NO NUMERICAL VALUE.
57
Which one of these knots can be used to hoist a fan?
Follow through or on a | bight.
58
Which part of rope is used for hoisting?
Running?
59
Which is knot is used to prevent slipping?
Safety knot.
60
Which is the best description of a primary search at a building fire?
Rapid but thorough search performed before or during suppression
61
Which carry requires more than one person?
Extremities
62
Which knot is preferred for tying together webbing?
Water
63
Which common factor is cited in San Antonio Study?
Aggressive interior | attack Disorientation.
64
How many FF's to recover a downed FF
12 FFs
65
Application of class D agent
Varies with type of agent and fuel involved.
66
. AFFF is rated for what fire
a and b
67
Which statement about closed circuit SCBA is correct?
It is lighter
68
Where is the knot in a lateral tether
20 ft from the end
69
Which combination of knots should be used to hoist a pike pole?
Clove Hitch.
70
A RIC has located a lost FF who is running low on air. Which solution causes biggest problem?
Buddy Breathing
71
Which substance is responsible for most fire deaths?
CO
72
Which statement about the effects of toxic gases is correct?
Unpredictable
73
. All extinguishers are classified according to
The types of fire for which they are intended.
74
You have arrived at a structure fire and have been assigned primary search. Which step listed below should you perform first?
?
75
Class B fire involves which fuel?
Alcohol
76
Low pressure 30 minute cylinders are fully charged at
2216
77
You find an unconscious victim with a possible spinal injury who is in immediate danger because of fire, what should you do?
Drag clothes keep spine in line.
78
What is primary extinguishing mechanism of CO2?
O2 Depletion
79
Which known is best suited for joining to ropes of unequal diameter?
Becket Bend.
80
Which rope consists of braided outer sheath over load bearing braded core?
Braid on Braid.
81
Which item should occur when conducing a room to room search?
Systematic
82
The blank is formed by turning the rope 180 degrees back on itself.
Bight
83
Which drag works good for children and small adults?
Cradle in arms
84
Your RIC has located an unconscious ff w/ lo scba cylinder, conduction are deteriorating, which action should be taken first.
Check air or change bottles.
85
What is the most common cause of SCBA exhalation valve malfunction
? (DUST/FOREIGN MATERIAL?)
86
What is the difference between dry chemical and Dry powder?
Dry Chem | Combustible Metals, Wet Chem Kitchen oils.
87
Which combination of knots should be used to hoist an uncharged hose aloft?
Clove hitch w/ a half hitch.
88
Your life safety rope has been impact loaded.
IT SHOULD BE DESTROYED.
89
An open circuit SCBA uses
Compressed Air.
90
Your Ric has located a downed FF what should be done first?
Check air and cylinder.
91
When performing search inside a burning structure you should
first check | the knob before opening it
92
Undergarments of COTTON should be worn during
wildland fires
93
What is the most important objective to be considered when coiling rope?
It is quickly deployed.
94
. In most cases what is the best way to handle a class C fire?
Unplug it and use | a water can.
95
NFPA requires engines be equipped with what extinguishers
At least one 80 | BC Dry Chem, one 10 B:C CO2, and one 2 ½ gal water can.
96
While inspecting kernmantel rope you encounter a soft spot in the rope but sheath is undamaged. What do you do,
Inspect it further it is most likely good.
97
What is the max numerical rating for a class A extinguisher?
40
98
You are working inside a burning structure when opening an interior door, what is your primary consideration.
Fire behind it.
99
tie a rope around a pole.
Figure 8 follow through

Probation Test (1 decks)

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