What Is the Preferred Number of Rescuers When Using a Stair

question 39

Multiple Choice

What is the preferred number of rescuers when using a stair chair?

• A) Two: one in front and one in back
• B) Only one with the track-like chair
• C) Four: one for each corner of the device
• D) Three: two lifting and one spotting

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Definitions:

Maximum Air System Pressure

The highest pressure that an air system can safely operate at, typically measured in pounds per square inch (psi) or bar.

Lateral Rotor Runout

A condition where a brake rotor is not perfectly aligned on its axis, causing uneven brake pad wear and potential vibration during braking.

Dial Indicator

An accurate linear measuring tool actuated by a plunger with a rotary display. Used to measure endplay, runout, recess depth, and so on.

Digital Calipers

Precision measuring tools that use digital displays to show measurements for distances or diameters, offering quick and accurate readings.