Chapter 5

Question 1

What is a valuable document(NFPA “”) that defies the requirements for new automotive Fire apparatuses designed to be used under emergency conditions to transport personnel equipment to support the suppression of fire and mitigate that hazardous situation

Answer 1

NFPA 1901 ( must read document for anyone assigned to engine company)

Question 2

The engine itself should be equipped with a pump having a rated pumping capacity of no less than ‘’ and at least ‘’ gallons

Answer 2

750 gallons per minute any water tank that carries at least 300 gallons of water NOT

Question 3

The majority of Fire apparatuses have a pump rated at

Answer 3

1500 gallons per minute and a tank capacity of 500 gallons P. 150-51 NOT

Question 4

A pumper is not a

Answer 4

Tender P. 152

Question 5

What are used to control flow of water in a stand Pipe?, hose and pipes going into and out of the pumper.

Answer 5

Valves

Question 6

Three commen types of valves found on an engine apparatus are

Answer 6

Ball valves
Gate valves
Butterfly valves

Question 7

What is an in-line valve that has an internal plastic or steel component shape like a ball and is the values for the discharge port on the pumper? The ball has a hole through its center and all allows water to flow through it when the ball is in the open position no water is allowed to float through it and the clothes position.

Answer 7

ball valve. 163

Question 8

Gated wye I can be used as a Siamese but

Answer 8

Siamese can never be used as a wye

Question 9

A butterfly valve is the same as a

Answer 9

Morris gate p. 164

Question 10

What are used to connect two threaded connections of the same size and same threads they are needed when a pumper sets up a forward lay, uses a reverse lay and vice versa

Answer 10

Double male couplings, and double female couplings

Question 11

NFPA ?? Requires at a minimum that the following ladders be carried on an apparatus:
One straight roof ladder with hooks 12 feet
One extension ladder 24 feet
One folding attic ladder

Answer 11

1901 p. 165

Question 12

Various types of foams are

Answer 12

Class A
Class B
Universal extinguishing foam

Question 13

Class, what foams are used on fuels like paper, wood cardboard, textiles in organic vegetation such as grass, brush, trees, and straw

Answer 13

Class A

Question 14

Class, what foams used on fires involving flammables like gasoline, diesel, and other hydrocarbons flammable liquids

Answer 14

Class B

Question 15

Various type of class ‘’ foams:
Protein foam
Fluoroprotein foam
Film foaming Fluoro protein foam FFFP
Aqueous film forming foam AFFF
alcohol resistant foam

Answer 15

B

Question 16

A modern formula that works on both class A and B fires that is especially suited for class a fires, but it is still effective on Class B flammable liquids

Answer 16

Universal extinguishing foam p. 176

Question 17

What is a typical foam used on most fire apparates to combat class fires A and some class B fires:

Answer 17

low expansion foam

Question 18

Low expansion foam has an expansion ratio of less than

Answer 18

20 -1 with no specialized air aspirated nozzles required NOT

Question 19

Medium expansion expansion ratio

Answer 19

20-1 and 200-1 it requires air aspirated nozzle to produce the foam NOT

Question 20

Hi expansion foam has an expansion ratio between

Answer 20

200-1 and 1000-1NOT

Question 21

What type of foam is excellent for extinguishing stubborn a basement fires

Answer 21

Hi expansion foam

Question 22

Difference between class A and class B foams

Answer 22

The way these two foams extinguish the Fire

Class B- water is needed to mix the proper foam solution ratio and water is also the vehicle to deliver the product into the fire, a film is formed over the surface of the barren and gasoline to stop in prevent further release flammable vapors( film barrier must remain intact) FOAM IS DominANT
Class A - water is the dominant extinguishing Agent not the foam the foam enhances the effectiveness of the water by creating bubbles does increasing the heat absorption service area of the water droplets p. 178

Question 23

Research by NIST has determined that droplets measuring between ‘’’ microns or more efficient and absorbing heat then where the larger heavier droplets

Answer 23

250-350 NOT

Question 24

an ‘’ agent is one that can render a fuel non-flammable by encapsuling the hydrocarbon molecules. When added to surfactants these agents emulsify grease , petroleum hydrocarbons, paint and other barriers to water penetration

Answer 24

emulsifying agents p. 178

Question 25

What class of foams do not contain emulsifying agents

Answer 25

class b ( if they did foam blankets would sink to the bottom of the flammable liquids instead of floating on top) p. 178

Question 26

Class, what foams breakdown the surface intention of water, making it more effective and extinguishing fuels

Answer 26

ClassA p. 179

Question 27

Class '' foams can prep and protect threatened structures in wildland/urban interface fires

Answer 27

class A p. 180

Question 28

Company officer who decider to use pre-connected classA foam attack line when it's known that ventilation may be delayed is making a

Answer 28

Wise move( thoroughly wedding the burning fuel the fire triangle is quickly broken) p. 181

Question 29

Primary damage refers to the damage that just caused directly by

Answer 29

The fire

Question 30

Secondary damage is damage caused directly by

Answer 30

Firefighters efforts

Question 31

What is the complete extinguishment of fire and usually starts after the initial fire is knocked down it involves looking for hidden fires and wall ceilings and void spaces that are still causing primary damage

Answer 31

Overhaul

Question 32

What is an advanced method of making class A foam solution

Answer 32

CAFS compressed Air foam P. 182

Question 33

What are the four basic hose lays for establishing a water supply?

Answer 33

Forward LAY Split lay Direct to engine Reverse Lay

Question 34

the most advantageous hose lay is the

Answer 34

Forward lay from hydrant to fire

Question 35

Which lay helps engine companies comply with the two in two out rule

Answer 35

Forward lay p. 183

Question 36

Most rooms in content fires in the incipient or early growth the stage are extinguished with less than how many gallons of water

Answer 36

100 gallons of water

Question 37

Water approach is when a supply line is laid from a hydrant to the fire, but the line is left uncharged for another company to hook up to the hydrant in charge of the supply

Answer 37

forward lay - dry p. 184

Question 38

What lay is a dry forward, lay by the first arriving engine. The only difference is there is no hydrant to wrap or no water source at the T intersection

Answer 38

Split

Question 39

Because the first engine lays forward and the second engine lays reverse it's called a

Answer 39

split Lay

Question 40

Which lay is useful when long, narrow driveway limit axis road without hydrants or dead ends hamper operations at a fire building

Answer 40

Split lay

Question 41

Fast water from the tank without supply can be safe and effective procedure only when the fire is in what stage'', can be extinguished with '' gallons or less and at least ''' companies arrive ?

Answer 41

The fires in the incipient stage or early in the growth stage, it could be extinct for 500 gallons or less At least two companies are sure arrival p186

Question 42

'' of direct to engine no line laid approach are: 1. first arriving engine go directly to the fire 2. Can use pre connects 3. Knocking down the fire with tank water lowers the temperature inside the structure.

Answer 42

Advantages

Question 43

''' of the direct to engine no line laid approach: 1. Operation doesn't work unless companies arrive close together. 2. Too many companies are required to provide one engine company with the continuous uninterrupted water source. 3. Little or no margin of safety for interior attack Cruise. 4. tank Water might run out p. 188-189

Answer 43

Disadvantages

Question 44

What lay can sometimes come in handy for grass and small brushfires so it's good to know about it

Answer 44

Reverse lay

Question 45

Most efficient way to lay reverse is using a: T PH M-LDH

Answer 45

Trigate Portable hydrant Manifold connected to an LDH

Question 46

and LDH provides more volume less friction loss to the

Answer 46

Manifold p. 190 -91

Question 47

How many engine companies are required to perform the dry forward hose lay

Answer 47

2 NOT

Question 48

The GATE VALVES and BUTTERFLY VALUE use CONTROL WHEELS to open/close the valve. They are primarily used on ''' port of the Pumper

Answer 48

Intake

Question 49

When a lever on a ball valve is perpendicular to the hose, the valve is

Answer 49

Shut

Question 50

Which type of valve is used for the discharge ports on the pumper

Answer 50

BALL VALUE

Question 51

About how much tail must remain when performing a dry forward hose lay

Answer 51

15 FT NOT

Question 52

Which NFPA document defines the requirements for new automotive fire apparatus designed to be used under emergency conditions to transport personnel and equipment, and to support the suppression of fires and mitigation of hazardous situations?

Answer 52

NFPA 1901

Question 53

Regarding ''' the LDH coupling should be a 3 1/2 inch, 4 inch or storks coupling

Answer 53

split lays

Question 54

What have tests shown is the reason that Class A foam increases the effectiveness of water from 3 to 15 times over that of plain water by reduction of ''

Answer 54

Reduction of surface tension of water

Question 55

Who are the most important people to consult for valuable input before purchasing fire apparatus and equipment?

Answer 55

FF

Question 56

Up to what percent concentration of foam is used with compressed air foam systems?

Answer 56

1 % NOT

Question 57

Which type of valve is used for the discharge ports on the pumper? p. 163

Answer 57

BALL VALUE

Question 58

In lever rotates ''' to open the gate and rotates ''''' to close it regarding hydrant..

Answer 58

counterclockwise clockwise

Question 59

A ball valve controls the water through the

Answer 59

Hose

Question 60

All valves must be opened and closed '''' to prevent waterhammer

Answer 60

Slowly and slowly