ch 11 test quiz Flashcards
What are the two main structural components that run the entire length of a ladder?
Beams
What is the very top of a ladder called?
Tip
What is the function of stops on an extension ladder?
Prevent overextension
Another term for a portable ladder is a __________ ladder.
ground
How often should periodic ladder service testing be performed?
annually
Portable ladders approved for fire service use can support up to:
750 lb (340 kg).
Where should the tip of a ladder be placed for rescue operations from a window?
Immediately below the windowsill
When a ladder is carried by one fire fighter, where is the top beam?
on the shoulder
Which ladder is carried with the tip forward?
roof
When standing upright on a rung, how far should the rung at shoulder height be from the fire fighter?
an arm’s length
What is the most likely consequence if the butt of a ladder is placed too close to the side of the building?
The tip will pull away from the wall
When should the building be used to anchor the butt during a ladder raise?
When a single fire fighter raises an extension ladder
Which action is potentially hazardous while raising an extension ladder?
Placing a foot under a fly section
What is the rope or cable that is used to extend or hoist the fly section of an extension ladder?
halyard
Which statement is correct about sliding your hands long the underside of the beams while climbing a ladder?
This practice provides you with three continuous points of contact.
What is the proper climbing angle for a ladder?
75º
Which NFPA standard deals with use, maintenance, and service testing of in-service fire department ground ladders?
1932
Which NFPA standard sets minimum performance standards for aerial ladders and elevating platforms?
1901
What are the two main structural components that run the entire length of a ladder?
Beams
Which part is specifically designed to prevent the beams of a wooden ladder from separating?
Tie rod
What is the very top of a ladder called?
Tip
What are butt spurs on a ladder?
Spikes on the base that keep it from slipping
What is the function of stops on an extension ladder?
Prevent overextension
Which term describes a power-operated ladder that is permanently mounted on a fire apparatus?
Aerial
Another term for a portable ladder is a __________ ladder.
ground
The purpose of the hooks of a roof ladder is to:
secure the tip of the ladder to the peak of a pitched roof.
When is it acceptable to use a roof ladder as a free-hanging ladder?
Never
Why should ground ladders that are unused be cleaned periodically?
To remove accumulated road grime
How often should periodic ladder service testing be performed?
Annually
What is the likely result of a ladder striking an overhead obstruction while it is being raised?
Loss of control of the ladder
Portable ladders approved for fire service use can support up to:
750 lb (340 kg).
When a ladder is used to gain access to a roof, a minimum of _____ rungs should show above the roofline.
Five
Where should the tip of a ladder be placed for rescue operations from a window?
Immediately below the windowsill
When a ladder is carried by one fire fighter, where is the top beam?
On the shoulder
Which ladder is carried with the tip forward?
Roof