Ifsta 5Thed. Ch9

Front 1

Where are lock boxes usually found?

Back 1

main entrance

Front 2

What are the four basic types of tools for forcible entry?

Back 2

cutting, prying, pushing/pulling, striking

Front 3

Are hatchets used for forcible entry?

Back 3

usually not because these small axes are usually too lightweight for forcible entry. they are inefficient for forcible entry

Front 4

What sizes are pick head axe heads available?

Back 4

6lb, 8lb

Front 5

What is the most versatile forcible entry tool?

Back 5

pickhead axe

Front 6

How is pick head axe used for forcible entry?

Back 6

cutting, prying, digging, the blade can be used as a striking tool

Front 7

What size are flat head axe

Back 7

6-or-8lb

Front 8

What tools are metal cutting devices?

Back 8

bolt cutters torches, glares, rebar cutters

Front 9

Bolt cutters cut what?

Back 9

iron bars, pins, cables, hasps, chains, and some padlock shackles (not high strength hasps, chains and padlock shackles)

Front 10

Oxyacetylene torches cut with a cone shaped flame that preheats the metal to its ignition temp and burns a path through the metal and while cutting can get a flame temp more than what?

Back 10

5700F

Front 11

What is the flammable range of acetylene used in oxyacetylene torches?

Back 11

2.5-81% that is both pressure and shock sensitive

Front 12

What are acetylene storage tanks filled with to prevent the accumulations of free acetylene gas within the cylinder?

Back 12

a porous substance called calcium silicate, and also liquid acetone in which the acetylene is dissolved

Front 13

Keep acetylene cylinders in what position?

Back 13

upright to prevent loss of acetone. loosing acetone could cause cylinder to explode

Front 14

Never exceed what operating temp on oxyacetylene torch?

Back 14

15psi

Front 15

What amy acetylene gas be replaced with

Back 15

methylacetylene-propadiene, stabilized (MPS) aka MAPP GAS or APACHE GAS. this is less sensitive and less likely to explode

Front 16

Oxygasoline cutting torches use what type of hose configuration and gasoline is delivered in what form producing a flame of how hot, and is able to be used in what special conditions?

Back 16

dual hose configuration, liquid gasoline, flame range of 2800F, can be used under water

Front 17

Can flame travel back through the hose in oxygasoline systems?

Back 17

no

Front 18

What is another name for burning bars?

Back 18

exothermic cutting rods

Front 19

Burning bars can cut through what?

Back 19

any metallic, non metallic, or composite material like concrete or masonry

Front 20

How hot do burning bars burn?

Back 20

oxygen is fed through the rod to produce cutting temperatures in excess of 10,000F

Front 21

Burning bars cutting bars or rods range in what size and diameter?

Back 21

sizes of 1/4-1" and diameter from 18inches to 10ft in length

Front 22

Plasma cutters can cut at up to what temp?

Back 22

ultra high temp metal cutting device that can cut up to 25,000F

Front 23

Cutting flares or exothermic cutting flares, can cut what and at what temp and how long will the flame last?

Back 23

these look like road flares and produce 6800F flame that lasts from 15sec to 2mins depending on the length and diameter of the flare used

Front 24

When using a rotary saw to cut metal have what close at hand?

Back 24

charged hose line or portable extinguisher

Front 25

Rotary saw can spin at speeds of what?

Back 25

faster than 6000rpm

Front 26

What is an advantage of the reciprocating saw?

Back 26

highly controllable

Front 27

How do prying tools work?

Back 27

they have a lever and a fulcrum to provide mechanical advantage (force is multiplied by leverage to produce counter force at the working end)

Front 28

What are hydraulic pumps operated by?

Back 28

compressed air, electric motors, two-or-four cycle gasoline engine

Front 29

What are prying tools?

Back 29

-crow bar, -halligan bar, -pry (pinch) bar, -hux bar, -claw tool, -kelly tool, -pry axe, -flat bar(nail puller), -rambar

Front 30

Hydraulic power tools are operated in what ways?

Back 30

prying, pushing, pulling

Front 31

Hydraulic spreaders can spread as much as what?

Back 31

32inches

Front 32

Hydraulic rams can be used for what?

Back 32

pushing and pulling

Front 33

Hydraulic rams have spreading capabilities from what and an extended length of what?

Back 33

36inches, nearly 63inches

Front 34

Hydraulic door opener usually causes what?

Back 34

the locking mechanism or door to fail. these are extremely valuable when more than one door must be forced

Front 35

What are pushing and pulling tools?

Back 35

pike pole, clemens hook, plaster hook, drywall hook, san francisco hook, multipurpose hook, roofman's hook, rubbish hook

Front 36

Where should ff.'s be positioned when using pike pole to brake window?

Back 36

upwind of the window and higher than the window

Front 37

Can pike poles and similar pushing/pulling tools be used to pry?

Back 37

no, except the roof man's hook

Front 38

What are striking tools?

Back 38

sledgehammer (8,10,16lb), maul, battering ram, pick, flat head axe, mallet, hammer, punch, chisel

Front 39

Never carry a running power tool more than how far?

Back 39

10ft

Front 40

What does boiled linseed oil do for tools?

Back 40

keeps them from warping and becoming warped

Front 41

What are plated surfaces?

Back 41

those that are protected by chromium or other metal applied by an electroplating process

Front 42

What are unprotected metal surfaces?

Back 42

blades and other tool components that have not been electroplated to protect them from rust or corrosion

Front 43

Avoid using what on unprotected metal surfaces when oiling them?

Back 43

avoid using any metal protectant that contains methyl chloroform, this may damage and weaken the handle (use light machine oil is the best)

Front 44

When should you break a window?

Back 44

only when ordered to do so

Front 45

In what ways do doors function?

Back 45

swinging (inward, outward, both), sliding, revolving, overhead

Front 46

What are three types of wooden swinging doors?

Back 46

panel, slab, ledge

Front 47

Most exterior wooden doors are what type?

Back 47

panel or slab

Front 48

What is the difference in a rabbited jamb and stopped jamb?

Back 48

rabbited is milled in, stopped is a stopper added on

Front 49

What are wooden panel doors made of?

Back 49

solid wooden members inset with panels (panels may be wood, glass, lexan polycarbonate plastic, or plexiglass acrylic.. panels may be held in by molding an easily removed)

Front 50

What two ways are slab doors contracted?

Back 50

solid core, hollow core

Front 51

What is the core center portion of a hollow core door made of?

Back 51

a grid interlocking wooden strips that are glued in place

Front 52

What is the core of a solid core door?

Back 52

some type of solid material, may be thick planks that are tongue and grooved, may be filled with insulation or sound proofing, may be filled with gypsum for fire resistance

Front 53

Solid cor door is solid with what type of covering?

Back 53

veneer

Front 54

What is another name for ledge doors and where are they found?

Back 54

batten doors, warehouses storerooms, barns, sheds, etc

Front 55

What are ledge doors made of?

Back 55

planks, often tongue and groove, fastened to horizontal and diagonal ledge boards

Front 56

How are ledge doors usually locked?

Back 56

surface locking mechanism like a hasp, padlock, bolt, or bar

Front 57

What type of hinges are on ledge doors?

Back 57

generally pin type, fastened with screw bolts

Front 58

What are the three types of metal swinging doors?

Back 58

hollow metal, metal clad, tubular

Front 59

Metal doors are most often set in which type of frame?

Back 59

metal

Front 60

What are metal clad doors?

Back 60

solid wooden doors with a metal skin. others are hollow shells filled with fire resistive material

Front 61

What are tubular metal doors?

Back 61

constructed of seamless rectangular tube sections with a slot in the rectangular tube for glass or metal panels

Front 62

What do the tube sections form?

Back 62

a one piece door with unbroken lines

Front 63

Where are tubular doors found?

Back 63

exterior openings of modern buildings in commercial, office, institutional and assembly structures

Front 64

How are tubular doors hung?

Back 64

with conventional hardware, but some may use hardware based on the balance principal

Front 65

What is balance principal hardwire?

Back 65

consists of an upper and lower arm, each connected by a concealed pivot. the arms and pivots are visible from the exterior side only, from the inside it resembles any other door

Front 66

What are panels in tubular aluminum doors made of?

Back 66

tubular aluminum doors with narrow styles usually have panels of glass but some may be metal. tubular aluminum doors are comparatively light in weight, strong, and rigid

Front 67

What are pocket doors?

Back 67

sliding doors that move laterally into a pocket framed in the wall, usually these are suspended from an overhead rack

Front 68

When pocket doors are in their pocket what is visible?

Back 68

only the leading edge

Front 69

Panels in sliding glass doors in homes balconies, hotels, and apartments (patio sliding doors) usually have what type of glass?

Back 69

double glazed and maybe triple glazed. may be tempered safety glass (glass heat treated increase its strength and flexibility) [these doors are very heavy and expensive]

Front 70

What may eliminate any possibility of forcing a patio sliding glass door without breaking the glass?

Back 70

burglar blocks, visible metal rod or similar deice

Front 71

What is a revolving door made of?

Back 71

glass door panels that revolve around a center shaft

Front 72

What determines the number of panels in a revolving door?

Back 72

manufacturer and use

Front 73

All revolving doors are equipped with what mechanism for emergency?

Back 73

locking to lock them open in an emergency

Front 74

What are the three basic types of mechanisms to lock revolving doors open?

Back 74

panic proof, drop arm, metal braced

Front 75

What is a panic proof mechanism?

Back 75

has a 1/4" cable holding the door panels in place. the release is triggered by forces pushing in opposite directions

Front 76

What is drop arm mechanism?

Back 76

has a solid arm passing through one of the panels. a pawl is located on the panel through which the arm passes. to collapse the system press the pawl to disengage the arm and push the panel parallel with the next one. repeat on other panels

Front 77

What is the metal braced mechanism?

Back 77

resembles a gate hook and eye assembly. lift the hook and fasten it back against the fixed panel. hooks are on both sides of the panel. the pivots are cast iron and easily broken by applying force to the panel at the pivot points

Front 78

What are overhead doors made of?

Back 78

wood, metal, fiberglass

Front 79

What are the four types of overhead doors?

Back 79

sectional, tilt slab, roll up, and telescoping

Front 80

How do you force a sectional overhead door without a motor or remote control?

Back 80

may be an external door lock handle and it is usually in the center. there are two latches one at each side. pry upward at the bottom of the door, or remove a panel or pane of glass and reach in and turn the latching mechanism, if there is a padlock cut a hole and remove the lock

Front 81

What is another name for a tilt slab door?

Back 81

awning door

Front 82

How do you force a tilt slab door?

Back 82

make sure there is clearance at least a few feet in front of the door. the locking mechanisms are usually located at one side or the other and can be forcibly removed from the door entirely or the bold in the lock can be cut with a rotary saw

Front 83

What is another name for a roll up door and where are they found?

Back 83

sheet curtain door, used as high security service doors that are usually locked on the inside

Front 84

What is a telescoping door?

Back 84

new type of industrial or industrial service door. consists of a number of interlocking, inverted ushered metal sections, when open these are nested together at the top of the doorway, and when closed they telescope into position

Front 85

When a telescoping door is closed what does it form?

Back 85

a barrier of hollow interlocking sections each with a rectangular cross section

Front 86

How are the raising mechanisms different from roll up doors with telescoping doors?

Back 86

raised and lowered by internal cables and there are no springs or counterweights in the lifting mechanism

Front 87

Is a tepee cut for advancing hose line?

Back 87

no, it is to allow firefighters to access the door opening mechanism or allow trapped firefighters emergency exit

Front 88

When cutting a overhead door a square or rectangle cut how high and wide should be cut?

Back 88

about 6ft high and nearly the full width of the door

Front 89

What are fire doors?

Back 89

moving assemblies designed to cover doorway openings in rated separation walls in the event of a fire in one part of the building

Front 90

What types of fire doors are there?

Back 90

horizontal and vertical sliding, single and double swinging, and overhead rolling

Front 91

How are fire doors operated?

Back 91

manually, mechanically, electrically

Front 92

What are counter balanced doors?

Back 92

(fire doors may or may not be counterbalanced) these are a form of vertical sliding doors that are generally used on openings to freight elevators, and are mounted on the face of the wall inside the shaft, and are almost always manually operated

Front 93

All overhead doors should be blocked in what position and with what?

Back 93

all overhead doors should be blocked in the up or open position with a pike pole or other tool to prevent injury to firefighters should the built in control device fail

Front 94

What are the two standard means which fire doors operate?

Back 94

self closing (returns to position immedietally), automatic closing(remain open normally, they close when the hold open device releases because fusible link has belted or due to activation of either a local smoke detector or fire alarm)

Front 95

Where are self closing fire doors usually installed?

Back 95

stairway enclosures and other areas where they must be opened and closed frequently

Front 96

Where are automatic closing swinging fire doors usually installed?

Back 96

hallways, corridors, and other high traffic areas are are normally held in the open position

Front 97

What position are vertical sliding doors usually in?

Back 97

open, but close automatically, they areused where horizontal or sliding or swinging doors ant be used. some utilize telescoping sections that slide into position vertically on side mounted tracks, the sections are operated by counter weights

Front 98

Where are fir doors that open horizontally preferred?

Back 98

when floor space is limited

Front 99

How do horizontal slidings fire doors close automatically?

Back 99

when a fusible link releases the door gravity causes the food to roll into place along wheels that are attached tot he top of the doors that travel on overhead tracks that are mounted on the fire wall at a slight angle

Front 100

Where are overhead rolling fire doors installed?

Back 100

where space limitations prevent other types

Front 101

How do overhead rolling fire doors close automatically?

Back 101

they have a barrel that is usually turned by a set of gears located near the top of the door on the inside of the building, this makes these difficult to force and should be avoided being forced whenever possible

Front 102

Do most interior fire doors lock when they close?

Back 102

no (unless they are exterior opening)

Front 103

Fire doors have been known to do what when they close behind crews?

Back 103

cut off water supply (they should be blocked open)

Front 104

What are the four basic types of locking devices?

Back 104

mortise lock, bored (cylindrical) lock, rim lock, pad lock

Front 105

What is a mortise lock?

Back 105

lock mechanism is designed to fit into a cavity in the door. may or may not have a bolt or bar (tang). found in private residences, commercial buildings, industrial buildings

Front 106

What is a key in knob lock?

Back 106

a bored (cylindrical) lock that has a keyway in the outside knob, the inside knob may contain a push and turn button

Front 107

A key in knob lock in an unlocked position, a turn of either knob retracts the spring loaded beveled latch bold wish is usually no longer that what, making these some of the easiest to force?

Back 107

3/4"

Front 108

What type of lock is a rim lock?

Back 108

surface mounted add on lock found in houses, apartments, and some commercial buildings

Front 109

How can the rim lock be identified from outside?

Back 109

by a cylinder that is recessed into the door in a bored latching mechanism fastened to the inside of the door and a strike mounted on the edge of the door frame

Front 110

What are the two types of padlocks?

Back 110

standard, heavy duty

Front 111

What kind of shackles do standard pad locks have?

Back 111

1/4" or less in diameter and not case hardened

Front 112

What kind of shackles do heavy duty pad locks have?

Back 112

more than 1/4" case hardened, may be toe and heel locking where both ends of the shackle are locked when depressed into the locking mechanism, in which case both sides need to be cut in order to remove the lock

Front 113

Proper mounting of lock boxes is the responsibility of the property owner. Who indicates the desired location of the lock boxes?

Back 113

the fire department

Front 114

What is conventional forcible entry?

Back 114

the use of standard fire department tools to force open doors and windows to gain access

Front 115

What size axe is used in irons for forced entry of doors?

Back 115

8lb

Front 116

What is one of the fastest ways to gain entry through a door?

Back 116

break the glass

Front 117

The most common type of door is one that swings at how many degrees to open/close?

Back 117

90degrees

Front 118

Double acting doors are capable of swinging how many degrees?

Back 118

180

Front 119

What is another name for outward swinging doors?

Back 119

flush fitting door

Front 120

Tempered glass resists what?

Back 120

heat

Front 121

When would you use the through the lock method?

Back 121

when conventional forcible entry methods do not work

Front 122

What are special tools to assist with through the lock method?

Back 122

A-Tool, J-Tool, K-Tool, shove knife

Front 123

What is a K-Tool useful in?

Back 123

pulling all types of lock cylinders (rim, mortise, tubular)

Front 124

How much clearance is needed from the lock cylinder to the door jam or threshold to fit the K-Tool?

Back 124

1/2"

Front 125

What locks are the A-Tool used for?

Back 125

collars or protective cone-shaped covers over them that prevent the lock cylinder from being unscrewed. the tool cuts behind the lock and maintains a hold so the cylinder can be pried out

Front 126

J-Tool is used for what kind of doors?

Back 126

double swinging doors equipped with panic hardware. once inserted turns at 90degrees in either direction to allow ff.'s to operate panic hardware

Front 127

What are some specialized tools for padlock forcing?

Back 127

buck billed lock breaker, hammerhead pick, locking pliers and chain, hockey puck lock breaker, bambam tool

Front 128

Which locks resist having the tumbler pulled out by a bambam tool because the tumbler has a case hardened retaining ring in the lock body protecting it?

Back 128

master locks, american locks, high security locks

Front 129

What type of locks are not case hardened?

Back 129

less than 1/4" shackle

Front 130

Which locks are virtually impenetrable?

Back 130

high security types that are case hardened

Front 131

Where should wire fences be cut?

Back 131

near posts (rotary saw best)

Front 132

What is best to cut barbed wire fence?

Back 132

bolt cutters

Front 133

Some security gates may be opened how?

Back 133

prying the gate open or using the apparatus bumper to force the gate open

Front 134

Are windows the best point of entry when needing to force entry?

Back 134

no

Front 135

What type of sharp tool can be used to chop wire glass out of its frame?

Back 135

pickhead axe

Front 136

What hold multi pane windows in place, making shards difficult to remove?

Back 136

rubber cement

Front 137

What are basic window styles?

Back 137

double hung (checkrail), hinged (casement), projected (factory), and awning or jalousie windows

Front 138

What are check rail (double hung) windows?

Back 138

manufactured in wood, metal, or vinyl are made up of two sashes, top and bottom windows are fitted into the window frame and move up and down in a sliding way

Front 139

What do wood frame double hung windows have for easier movement?

Back 139

a counterweight

Front 140

Which way can newer double pane windows move for cleaning?

Back 140

in and out

Front 141

How are check rail windows secured?

Back 141

by one or two thumb operated locking devices

Front 142

What type of tool is used for breaking check rail window glass?

Back 142

long striking tool, take out the top and bottom sashes and all glass, and removal of sashes

Front 143

Where should ff.'s be positioned when breaking glass?

Back 143

upwind

Front 144

What are casement (hinged) windows?

Back 144

hinged widows with wooden or metal frames sometimes called crank out window because its opened with a small hand crank

Front 145

How many locking devices and crank devices do double casement windows have?

Back 145

at least four locking devices as well as two crank devices

Front 146

Should ff.'s force double casement windows?

Back 146

because this tie of window is very difficult to force ff.'s should seek another means of entry if possible

Front 147

What are factory (projected) windows?

Back 147

found in factories, warehouses and other commercial buildings these often have metal sashes with wire glass and function by pivoting at the top or bottom

Front 148

What ways care factory windows classified?

Back 148

by the way they swing when opened, projected-in, projected-out, or pivoted-projected

Front 149

Can factory windows be quickly forced?

Back 149

no, metal frames and wire glass make it difficult to effectively accomplish rapid forced entry so these should be used as last resort. also, these usually have security bars. these are usually located high off the ground, several feet and a ladder may be required to access them

Front 150

What is an awning window?

Back 150

consists of large sections of glass of about 1ft high and as long as the width of the window opening. they are metal or wood frame and usually double strength glass, hinged along the top wail an bottom swings out

Front 151

What are jalousie or louvered windows?

Back 151

consists of small sections about 4inches high and as long as the length of the window opening. the glass panes are held in the moveable frames only at the ends. these are operated by crank and gear housing located at the bottom of the window

Front 152

What is the best thing do do when forcing a jalousie or louvered window?

Back 152

because the panes are small and forcing required removal of them, and the openings are often very restricted even with glass removed it is best/faster/more efficient to but the wall around the entire window assembly and remove it

Front 153

What is a hopper window?

Back 153

similar to awning except it hinges at the bottom. usually used for ventilation above a door or window where protected by eves

Front 154

What s a tilt-turn window?

Back 154

tilts out for ventilation but can be opened fully if needed for emergency or cleaning

Front 155

What is a slider or gliding window?

Back 155

made from two separate shushes one is fixe and the other slides in a track. similar to sliding glass patio door

Front 156

What is a fixed or picture window?

Back 156

large solid glass that doesn't open. should be broken as last resort only

Front 157

How much more rigid are hurricane windows than high impact glass?

Back 157

100 times as rigid, these use laminated glass with advanced polymers intended to keep the building intact. an ionoplast layer is sandwiched between two layers of glass

Front 158

Lexan is how many times stronger than safety glass and how many times stronger than acrylic and is classified as what?

Back 158

250times stronger than safety glass, 30times stronger than acrylic, is classified as self-extinguishing

Front 159

Can you break Lexan with hand tools?

Back 159

no, impossible

Front 160

What is another name for Lexan and how can you tell a window is Lexan?

Back 160

polycarbonate windows have a dull sound and large sections have a wavy surface with distortion on the sides, they scratch easier than glass

Front 161

Does cooling Lexan windows with CO2 before striking them make them easier to break?

Back 161

no

Front 162

How can you force Lexan?

Back 162

rotary saw with a carbide tipped medium tooth blade (apx 40 teeth) [dont use large or small blades, large will skid the surface and small will melt Lexan and blade will bind], make horizontal cut and then vertical. can also use a chainsaw with carbide tips

Front 163

How can you punch through the frame?

Back 163

will not break the glass but striking or impact tools may be able to push the pane through the frame

Front 164

What are reinforced gypsum walls?

Back 164

walls that have Lexan reinforcement, located in pubic ares like hallways, lobbies, and restrooms

Front 165

How many ff.'s are required to use a battering ram?

Back 165

two-four

Front 166

Is using a battering ram to create a large opening for firefighters practical?

Back 166

no

Front 167

Which walls are quicker to breach and less labor intensive brick/concrete, or masonry?

Back 167

brick/concrete are quicker to breach

Front 168

What is the quickest and most efficient tool to breach concrete walls?

Back 168

diamond tipped chain on a chainsaw, or pneumatic hammer

Front 169

Which type of wall is the easiest to breach?

Back 169

metal

Front 170

What types of tools can breach metal walls?

Back 170

conventional forcible entry tools, ace, rotary saw, air chisel

Front 171

What are subfloors made of?

Back 171

wood or concrete

Front 172

What type of sub floor is most common in residential, commercial, and industrial occupancies?

Back 172

concrete slab

Front 173

What type of floor is common in low- high rise upper floors?

Back 173

lightweight concrete

Front 174

The upper floors of multistory residences are susally what?

Back 174

wooden subfloor over wooden joists or I-beams

Front 175

What is a floor usually classified from?

Back 175

according to its covering instead of the material its constructed from usually

Front 176

How far apart are wooden floor joists spaced?

Back 176

12to24 inches depending on the size of the lumber

Front 177

Wooden I-beams are usually spaced how far apart regardless of the span?

Back 177

24inches

Front 178

Wood floor joists are covered by a subfloor consisting of what?

Back 178

either tongue and groove planks or sheets of plywood laid over joists

Front 179

Before a floor is cut what should be done?

Back 179

remove the rug or carpet

Front 180

What type of saw makes the neatest cuts?

Back 180

circular

Front 181

Are all concrete floors reinforced?

Back 181

yes

Front 182

To help a jackhammer open a concrete floor faster the line to be cut gets what done?

Back 182

stitch drilling