Chapter 9 - Forcible Entry

An electromagnetic lock is an example of a:

• a. mortise lock.
• b. high security lock.
• c. rim lock.
• d. cylindrical lock.

Before performing forcible entry at a commercial or industrial occupancy, a firefighter should "try before you pry" and:

• a. look for a lock box near the main entrance.
• b. get permission from the building's owner or superintendent.
• c. radio the computer-aided dispatch center.
• d. request mutual aid to help force the stronger building materials.

Which type of lock commonly found in residential applications has a single cylinder and is mounted above the door knob?

• a. Tubular deadbolt lock
• b. Night latch
• c. Key-in-knob lock
• d. Electromagnetic lock

If a door is opened, a structure's _____ will change, which may cause the fire to grow.

• a. dead load
• b. ventilation profile
• c. construction type
• d. live load

Which rescue tool can be placed in a door frame to spread the frame far enough apart so that the door can swing open?

• a. San Francisco hook
• b. Air chisel
• c. Hydraulic cutters
• d. Hydraulic ram

Which type of tools act as a lever to provide mechanical advantage when opening doors and windows or moving heavy objects?

• a. Prying tools
• b. Pulling tools
• c. Cutting tools
• d. Striking tools

Which factor affects the decision of where to force entry?

• a. Building's age
• b. Building's occupancy type
• c. How forcible entry will affect ventilation
• d. Weather conditions

To prevent injuries while using forcible entry tools, always:

• a. sharpen the blades as much as possible.
• b. use "cheater bars" to gain mechanical advantage.
• c. ensure that other personnel are close by to provide assistance.
• d. ensure that you have room to operate the tool properly.

Wallboard that has been reinforced with Lexan®:

• a. will be labeled.
• b. can be breached by hand tools.
• c. can be identified during preincident surveys.
• d. cannot be breached, even with power tools.

If the lock of a metal-frame double-hung window does not force with minimum pressure applied,:

• a. the panes should be removed by breaking the seal between them.
• b. the lock should be able to be forced using a larger, stronger tool.
• c. a saw should be used to cut the glass out of the window openings.
• d. it may be quicker to break the glass and open the lock manually.