Chapter 17: Technical Rescue Support & Vehicle Extrication Operations

Which type of collapse occurs when the floor and/or roof assemblies on both sides of a load-bearing center wall collapse?

A-frame

Which heavy-duty rescue tool is usually used to support collapsed structural members?

Bar screw jack

What should be done when responding to any situation involving electricity?

Call for the electric company to respond

Which type of collapse has a good chance of habitable voids but is most vulnerable to secondary collapse?

Cantilever

For which type of rescue would the Fire Fighter II monitor communication channels and search lines, operate SAR systems, and assist victims once they have been removed from the hot zone?

Cave, mine, and tunnel rescue

Which power source can be provided by rechargeable batteries or portable or vehicle-mounted generators?

Electric

What vehicles have danger associated with the high voltage stored within the batteries and running through wiring connected to the vehicle's motor?

Electric and hybrid vehicles

Which rescue tool is typically used when objects must be pushed farther than the maximum opening distance of hydraulic spreaders?

Extension rams

Which is an item the crew member assessing the immediate area around the vehicles would identify?

Extrication tasks that may be required

Which vehicle frame is used on larger automobiles and trucks, particularly heavy-duty vehicles that carry or pull heavy loads?

Full or rigid frame

What are the most common conventional fuels?

Gasoline and diesel

Which rescue tool is designed for heavy lifting and can be used for stabilization in conjunction with cribbing?

Hydraulic jack

Which is a guideline when using a winch?

Position the winch as close as possible to the object being pulled

Which is a task the Fire Fighter II must know in order to assist in technical rescue incidents?

Provide direction on rescue tasks

Which vehicle component consists of body material that surrounds the area of the rear tire?

Quarter panels

Which rescue tool is the least stable of jacks and is prone to fail under heavy loads?

Ratchet-lever jack

What must a Fire Fighter II be able to do to assist at technical rescue incidents?

Recognize hazards associated with the type of incident

With increasing safety standards, many vehicle manufacturers use _____ safety glass in all windows.

laminated

A Nader bolt and a U-bolt are two types of _____ found on vehicles.

latching mechanisms

Vehicle components made with _____ can cause high heat fires at a vehicle incident.

magnesium

Manual stop switches on escalators are generally located:

on nearby wall or handrail supports at the top and bottom of the unit.

After the scene has been stabilized, the next priority is to:

provide basic patient care to accessible victims.

What is the next step after the scene has been assessed at a vehicle incident?

Remove roadway hazards???

Which is a characteristic of plastic cribbing?

Resists contamination from fuel, oil, or other substances

Which rescue saw is typically gasoline powered and has different blades for cutting wood, metal, and masonry?

Rotary rescue saw

Which is the MOST effective tool for removing doubly laminated glass?

Saws

Which passenger safety system includes pretensioners that present a significant ignition hazard if not disabled?

Seat belts

Which victims should receive the highest priority for extrication?

Seriously injured victims

Where should apparatus be parked at a vehicle extrication incident?

So that they form a protective barrier between the scene and oncoming traffic

What is the purpose of a tensioned buttress system?

Stabilize vehicles resting on their sides or roofs

What determines the vehicle's structural integrity?

Strength of the vehicle's chassis after a collision

Which glass is designed to spread small fracture lines throughout the plate when struck?

Tempered

What would be used to stabilize a vehicle that is on its roof or side by creating a stabilizing triangle?

Tensioned buttress systems

Which passenger safety system is commonly called air bags or side curtain air bags?

side-Impact Protection Systems (SIPS)

Before entering into the hot zone, personnel must:

sign in to the personnel accountability system

Which air-pressurized rescue tool gives rescuers the ability to lift or displace objects that cannot be lifted with other rescue equipment and is air-pressurized?

Pneumatic lifting devices

What should be used to prevent horizontal movement of a vehicle with all wheels on the ground?

Wheel chocks

What is a primary hazard of cutting the steering wheel ring?

Accidental deployment of the air bag

What must firefighters be careful about when cutting posts?

Activating seat belt pretensioners or side curtain air bags

How are vehicle door and roof posts normally identified?

Alphabetically from front to rear

Which type of rescue has limited means of entry and exit, is not designed for continuous occupancy, and may include cisterns/wells and utility vaults?

Confined-space rescue

Which vehicle component consists of a vertical panel wall in front of the A-post that is enclosed by several structural members?

Kick panels

Which type of water or ice rescue is extremely dangerous because of powerful undercurrents and a hydraulic action that make escape virtually impossible?

Low-head or low-water dams

For which type of rescue are rescuers likely to require outside expertise such as plant personnel or equipment manufacturers?

Machinery rescue

Why is removing windshields no longer standard practice during extrication?

Many automobiles use the windshield as a structural component.

Which is a guideline when stacking pneumatic lifting devices?

Never stack more than two devices

Which type of collapse occurs when exterior walls collapse simultaneously, causing the roof and upper floors to collapse on top of each other?

Pancake

Which tools have a square drive to attach a socket and are ideal for disassembling machinery?

Pneumatic impact tools

What would be used to raise a vehicle that is on its roof or side?

Pneumatic lifting devices

Why should any brightly colored cables never be touched, cut, or opened on electric vehicles?

They contain intermediate or high-voltage charges.

Which statement about tools used in rescues is correct?

Tools from different manufacturers may have different capabilities

Which rescue tool is used to create an anchor point above a manhole or other opening?

Tripod

For which vehicle frame are the vehicle's stress-bearing elements and sheet metal body parts built as one unit?

Unibody

What should be done if none of the doors in a vehicle extrication incident open normally?

Use a tool to release one of the locks

What is the first step of an extrication operation?

Vehicle incident size-up

Which should be continually evaluated for size-up?

What resources will be needed to resolve the situation

Which rescue saw is quiet, highly portable, easy to handle, and often used for delicate cutting operations?

Whizzer saw

At a vehicle rescue incident, if firefighters are not engaged in fire suppression or extrication, they should wear:

an approved retroreflective vest.

Removing the doors and roof from a unibody construction vehicle:

can seriously compromise its structural integrity.

A Fire Fighter II may be assigned the task of setting up and monitoring the supplied air respirator system for rescue personnel at a:

confined-space rescue.

The first task during size-up of a water or ice incident is to:

determine whether rescue or recovery is required.

Stabilizing a rescue incident may involve:

diverting or blocking traffic.

From an extrication standpoint, every vehicle can be considered to have:

eight sides.

When assisting with trench rescue:

eliminate sources of vibration such as apparatus and heavy equipment.

Firefighters should never attempt to perform rescue tasks:

for which they are not trained, qualified, and equipped.

The first priority in a structural collapse rescue is to:

help untrapped victims to a safe area.

Only personnel directly involved in resolving the emergency are allowed within the:

hot zone.

The controlled opening near the Command Post is monitored by:

the Accountability Officer.

If the ignition is not accessible in nonelectric vehicles, shut down the electrical system by disconnecting the negative cables to the vehicle's 12-volt battery by cutting or removing:

the negative cable first.

When responding to an elevator entrapment rescue,:

there are no consistent sequential steps to follow.

What is the primary hazard at a vehicle extrication incident?

traffic

Access is limited to personnel directly supporting work performed at the site of the actual emergency in the:

warm zone