Chapter 10: Forcible Entry

Which type of glass is used in most sliding doors? A) Annealed B) Laminated C) Tempered D) Polycarbonate

Which type of glass is used in most sliding doors? A) Annealed B) Laminated C) Tempered D) Polycarbonate

C) Tempered

Which is one of the four major categories of door locks? A) Dead-bolt B) Recessed C) Cylindrical D) Tumbler

C) Cylindrical

Which statement about outward-opening doors is correct? A) These doors are typically found on residential structures. B) These doors can be identified by their exposed stiles. C) These doors are designed to facilitate exit. D) The hinges of these doors are not accessible.

C) These doors are designed to facilitate exit.

Which tool is designed for both cutting and prying? A) Bam-bam B) Ram bar C) Halligan D) Pry axe

D) Pry axe

For forcible entry, who usually determines the point of entry? A) Chief officer B) Company officer C) Fire fighter D) Incident commander

B) Company officer

Where are the hinges placed on a casement window? A) Side B) Top C) Bottom D) Middle

A) Side

Which type of circular saw blade is specially designed to cut through hard surfaces or wood? A) Diamond B) Aluminum oxide composite C) Silicon oxide composite D) Carbide-tipped

D) Carbide-tipped

Where should a fire fighter stand when breaking windows? A) Windward side of the window with the hands below the break B) Windward side of the window with the hands above the break C) Leeward side of the window with the hands below the break D) Leeward side of the window with the hands above the break

B) Windward side of the window with the hands above the break

Which tool can be used to unscrew a lock cylinder? A) Strap wrench B) Vise grips C) Channel locks D) Chain whip

B) Vise grips

The Hux bar is a type of__________ tool. A) striking B) cutting C) lifting D) prying

D) prying

Which type of cutting blade can be damaged by petroleum vapors? A) Carbide tip B) Wood C) Plastic D) Metal

D) Metal

Which circular saw blade is susceptible to damage from gasoline vapors? A) All blades B) Masonry C) Wood D) Polycarbonate

B) Masonry

To force an inward-opening door, which part of the Halligan bar is inserted between the door and the jamb? A) Fork B) Adze C) Blade D) Pick

B) Adze

Which type of glass is normally used in automobile windshields? A) Annealed B) Reinforced C) Laminated D) Tempered

C) Laminated

What is the minimum acceptable level of protective equipment when conducting forcible entry during fire suppression operations? A) Helmet and eye protection B) Gloves and eye protection C) Full structural firefighting PPE D) Helmet, coat, and gloves

C) Full structural firefighting PPE

Which tool is inserted between a wood door frame and the door on an outward-swinging door to force the latch back and open the door? A) J tool B) Shove knife C) Slim Jim D) Hack saw blade

B) Shove knife

The K tool is used in combination with: A) vise-grips. B) a pick-head axe. C) a strap wrench. D) a pry bar.

D) a pry bar.

How are jalousie windows normally opened and closed? A) Sliding the sash within the frame B) Using a remote-operated electric motor C) Turning a small hand-crank D) Pulling the chain attached to the drum

C) Turning a small hand-crank

When forcible entry is used, what should fire fighters do before leaving the scene? A) Make the occupant aware of the unsecured openings B) Take steps to secure the building C) Bring the matter to the attention of law enforcement personnel D) Photograph and document the damage

B) Take steps to secure the building

Which type of tool is used to apply an impact force directly on another tool or object? A) Impact B) Striking C) Swinging D) Lever

B) Striking

A duck-billed lock breaker is used to: A) displace a lock cylinder. B) force casement and double-hung windows. C) open a padlock. D) displace automotive door locks.

C) open a padlock.

Which type of glass is normally used in automobile side and rear windows? A) Annealed B) Polycarbonate C) Laminated D) Tempered

D) Tempered

What should be done after a self-closing door is forced? A) Chock the door in the open position B) Allow the mechanism to resume its normal operation C) Return the door to the closed position D) Cut the actuation cable

A) Chock the door in the open position

Which type of window is made of overlapping sections of tempered glass in a metal frame? A) Projected B) Casement C) Jointed D) Jalousie

D) Jalousie

Breaching of which type of wall is most likely to result in structural collapse? A) Partition B) Exterior C) Sleeper D) Bearing

D) Bearing

Which type of lock is surface-mounted on the interior of the door frame? A) Mortise B) Cam C) Cylindrical D) Rim

D) Rim

Which tool combines an adze, a pick, and a fork? A) Halligan bar B) Pick-head axe C) Ram bar D) Clemens

A) Halligan bar

What is the U-shaped part of a padlock that locks into the padlock body? A) Latch B) Shackle C) Tongue D) Bow

B) Shackle

Which is one of the functional categories of forcible entry tools? A) Lever B) Striking C) Nondestructive D) Piercing

B) Striking

How much damage is caused by forcing the locks on double-hung windows? A) None B) Minor C) Moderate D) Extensive

D) Extensive

Tool failure and possibly injury could result from attempting to cut __________ with ordinary cutting tools. A) masonry B) case-hardened steel C) proof coil D) braided wire

B) case-hardened steel

Which is the correct way to force a single- or double-hung window? A) Insert a prying tool near the lock and pull outward and to the side B) Pry on the center of the upper sash C) Pry upward on the center of the bottom sash D) Pry the lip of the frame outward so the outermost sash can be removed

C) Pry upward on the center of the bottom sash

What is one of the two styles of wood door frames? A) Rabbit B) Finger-joint C) Ledge D) Barn

A) Rabbit

What is the quickest way to force entry through a security roll-up door? A) Cut the door with a power saw B) Pry the latch bar away from the keeper C) Pry upward from the bottom of the door D) Cut the latch bar with a rotary saw

A) Cut the door with a power saw

Which tool is specifically designed to open double doors equipped with panic bars? A) Slim Jim B) J tool C) Bar fly D) Key tool

B) J tool

Before beginning any forcible entry, which simple rule should fire fighters keep in mind? A) Doors are replaceable; lives are not. B) Without a hose, the fire grows. C) Try before you pry. D) Get low before you go.

C) Try before you pry.

How does the rabbit tool work? A) It cuts the latch or bolt B) It displaces the lock cylinder C) It shears the hinges D) It spreads the door from the frame

D) It spreads the door from the frame

Which tool is designed specifically to remove a lock cylinder? A) Hux bar B) J tool C) K tool D) Pry axe

C) K tool

How many people are needed to use a battering ram? A) Two B) Two to four C) Four to six D) Six

B) Two to four

Which type of wood door is typically used for residential entrance doors? A) Solid-core B) Panel C) Ledge D) Hollow-core

A) Solid-core

Which tool is a small hydraulic spreader operated by a hand-powered pump? A) K tool B) Power bar C) Rabbit tool D) Ram bar

C) Rabbit tool

Which is a type of wood door frame? A) Stopped B) Dadoed C) Stiled D) Jointed

A) Stopped

Tempered glass is about __________ as strong as regular glass. A) half B) equally C) twice D) four times

D) four times

Which tool is best for breaching a floor? A) Rotary saw B) Air chisel C) Flat-head axe D) Reciprocating saw

A) Rotary saw

Which type of lock fits into predrilled openings in the side of a door? A) Rim B) Key-in-knob C) Mortise D) Deadbolt

C) Mortise

What is the function of a J tool? A) Operate panic hardware on double-swinging doors B) Open locked car doors C) Turn the lock mechanism after the cylinder has been pulled D) Pull a lock cylinder out of a door

A) Operate panic hardware on double-swinging doors

What must be done prior to making forcible entry into a fire building? A) Ventilation must be established B) Utilities must be controlled C) The fire attack team must be ready D) An "all clear" must be declared

C) The fire attack team must be ready

A silicon carbide composite circular saw blade is designed for use on: A) masonry. B) steel. C) most metals. D) a wide variety of materials.

A) masonry.

Which part of a door lock catches and holds the door frame? A) Latching device B) Mortise C) Striker D) Shackle

A) Latching device

How is the length of bolt cutter handles related to the amount of cutting force that can be applied? A) The cutting force remains constant regardless of the handle's length B) The shorter the handle, the greater the cutting force C) The longer the handle, the greater the cutting force D) The cutting force varies with the jaw length

C) The longer the handle, the greater the cutting force

Which tool is part of the "irons"? A) Mallet B) Pick head axe C) Pry-bar D) Flat-head axe

D) Flat-head axe

What is the term for a small opening that allows better tool access in forcible entry? A) Toe hold B) Anchor point C) Purchase point D) Bite

C) Purchase point

Which method should be considered first when forcing an outward-swinging door? A) Driving the cylinder through the door B) Cutting the bolt with a rotary saw C) Removing the hinge pins D) Using the irons to pry it open

C) Removing the hinge pins

What is the term for the transparent part of a window? A) Glass B) Glazing C) Lens D) Light

B) Glazing

Which is the most common type of fixed lock in use today? A) Mortise B) Cylindrical C) Rim D) Spring bolt

B) Cylindrical

Which action should fire fighters perform first before forcing a door? A) Gap the door B) Check for the presence of a dead-bolt C) Sound the surrounding wall D) Look for a window in or adjacent to the door

D) Look for a window in or adjacent to the door

Which kind of steel has been specially treated to resist cutting by normal means? A) Case-hardened B) Alloy C) Tempered D) Ductile

A) Case-hardened

Which is one of the three types of wood swinging doors? A) Panel B) Tambour C) Gibb D) Stopped

A) Panel

Which hazard should be of particular concern to fire fighters who are carrying long tools? A) Overhead wires B) Tight turns in corridors C) Self-closing doors D) Windows

A) Overhead wires

Which type of tool is a pick-head axe? A) Prying B) Combination C) Striking D) Cutting

D) Cutting

Adze

The blade or wedge part of a tool such as the Halligan tool.

Annealed

The process of forming standard glass.

A tool

A cutting tool with a pry bar built into the cutting part of the tool. Awning windows Windows that have one large or multiple medium-size panels that do not overlap when they are closed. The window is operated by a hand crank from the corner of the window. The hinge is on the top.

Bam-bam tool

A sliding hammer with a case-hardened screw, which is inserted, secured, and driven into the keyway of a lock to remove the keyway from the lock.

Battering ram

A tool made of hardened steel with handles on the sides used to force doors and to breach walls. Larger versions may be used by as many as four people; smaller versions are made for one or two people.

Bolt cutter

A cutting tool used to cut through thick metal objects, such as bolts, locks, and wire fences.

Case-hardened steel

Steel created in a process that uses carbon and nitrogen to harden the outer core of a steel component, while the inner core remains soft. Case hardened steel can be cut only with specialized tools.

Casement windows

Windows in a steel or wood frame that open away from the building via a crank mechanism. These windows have a side hinge.

Cylindrical locks

The most common fixed locks in use today. The locks and handles are placed into a predrilled hole in the door. The outside of the doorknob will usually have a key-in-the-knob lock; the inside will usually have a keyway, a button, or another type of locking/unlocking mechanism.

Deadbolt

Surface- or interior-mounted lock on or in a door with a bolt that provides additional security.

Door

An entryway; the primary choice for forcing entry into a vehicle or structure.

Door jamb

The upright or vertical parts of a door frame onto which a door is secured.

Double-hung windows

Windows that have two movable panels or sashes that can move up and down.

Double/triple-pane glass

A window design that traps air or inert gas between two pieces of glass to help insulate a house.

Duck-billed lock breaker

A tool with a point that can be inserted into the shackles of a padlock. As the point is driven farther into the lock, it gets larger and forces the shackles apart until they break.

Exterior wall

A wall—often made of wood, brick, metal, or masonry—that makes up the outer perimeter of a building. Exterior walls are often load bearing.

Forcible entry

Techniques used by fire personnel to gain entry into buildings, vehicles, aircraft, or other areas of confinement when normal means of entry are locked or blocked. (NFPA 402)

Fork

The fork or claw end of a tool.

Glazing

Glass or transparent or translucent plastic sheet used in windows, doors, skylights, or curtain walls.

Halligan tool

A prying tool that incorporates a sharp tapered pick, a blade (either an adze or wedge), and a fork or claw; it is specifically designed for use in the fire service.

Hardware

The parts of a door or window that enable it to be locked or opened.

Hockey puck lock

A type of padlock with hidden shackles that cannot be forced open through conventional methods.

Hollow-core door

A door made of panels that are honeycombed inside, creating an inexpensive and lightweight design.

Horizontal-sliding windows

Windows that slide open horizontally.

Interior wall

A wall inside a building that divides a large space into smaller areas.

Irons

A combination of tools, usually consisting of a Halligan tool and a flat-head axe, that is commonly used for forcible entry.

Jalousie windows

Windows made of small slats of tempered glass, which overlap each other when the window is closed. Often found in trailers and mobile homes, jalousie windows are held together by a metal frame and operated by a small hand wheel or crank found in the corner of the window.

J tool

A tool that is designed to fit between double doors equipped with push bars or panic bars.

K tool

A tool that is used to remove lock cylinders from structural doors so the locking mechanism can be unlocked.

Laminated glass

Safety glass. The lamination process places a thin layer of plastic between two layers of glass so that the glass does not shatter and fall apart when broken.

Latching device

A spring-loaded latch bolt or a gravity-operated steel bar that, after release by physical action, returns to its operating position and automatically engages the strike plate when it is returned to the closed position. (NFPA 80)

Lock body

The part of a padlock that holds the main locking mechanisms and secures the shackles.

Locking mechanism

A standard doorknob lock, deadbolt lock, or sliding latch.

Mortise locks

Door locks with both a latch and a bolt built into the same mechanism; the two locking mechanisms operate independently of each other. Mortise locks often are found in hotel rooms.

Operator lever

The handle, doorknob, or keyway of a door that turns the latch to open it.

Padlocks

The most common types of locks on the market today, portable locks built to provide regular-duty or heavy-duty service. Several types of locking mechanisms are available, including keyways, combination wheels, and combination dials.

Partition

A nonstructural interior wall that spans horizontally or vertically from support to support. The supports may be the basic building frame, subsidiary structural members, or other portions of the partition system. [ASCE/SEI 7:11.2] (NFPA 5000)

Pick

The pointed end of a tool, which can be used to make a hole or purchase point in a door, floor, or wall.

Plate glass

A type of glass that has additional strength so it can be formed in larger sheets but will still shatter upon impact.

Projected windows

Windows that project inward or outward on a top or bottom hinge; also called factory windows. They are usually found in older warehouses or commercial buildings.