Chapter 13 Ladders

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What are the two main structural components that run the entire length of a ladder? A) Flies B) Rungs C) Beams D) Truss blocks

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What are the two main structural components that run the entire length of a ladder? A) Flies B) Rungs C) Beams D) Truss blocks

Beams

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Which part is specifically designed to prevent the beams of a wooden ladder from separating? A) Tie rod B) Protection plate C) Rung D) Spring bar

Tie rod

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What is the very top of a ladder called? A) Fly B) Top plate C) Claw D) Tip

Tip

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What are butt spurs on a ladder? A) Mechanical locks that hold the fly section in place B) Devices to secure the ladder to a roof ridge C) Bumps and dents that occur on the foot pad as a result of use D) Spikes on the base that keep it from slipping

Spikes on the base that keep it from slipping

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What is the function of stops on an extension ladder? A) Prevent over-extension B) Prevent collapse in the event of halyard failure C) Prevent the ladder from slipping on the ground D) Lock the extended fly sections in place

Prevent over-extention

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Which term describes a power-operated ladder that is permanently mounted on a fire apparatus? A) Aerial B) Extension C) Snorkel D) Quint

Aerial

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Another term for a portable ladder is a __________ ladder. A) straight B) single C) ground D) Bangor

Ground

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The purpose of the hooks of a roof ladder is to __________. A) provide safe attachment points for fire fighters working on the ladder B) grip the eave of the roof to keep the ladder from slipping C) prevent the butt of the ladder from slipping or shifting D) secure the tip of the ladder to the peak of a pitched roof

secure the tip of the ladder to the peak of a pitched roof

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When is it acceptable to use a roof ladder as a free-hanging ladder? A) Never B) If the ladder will support the weight of only one person C) If the total supported weight will not exceed 500 lb D) If the ladder was manufactured after 1993

Never

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Why should ground ladders that are unused be cleaned periodically? A) To prevent oxidation B) To prevent halyard deterioration C) To keep step and grab surfaces tacky D) To remove accumulated road grime

To remove accumulated road grime

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How often should ladder service testing be performed? A) Monthly B) Quarterly C) Semi-annually D) Annually

Annually

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What is the likely result of a ladder striking an overhead obstruction while it is being raised? A) Damage to the ladder that is not readily apparent B) Sudden collapse of the fly section C) A broken or weakened halyard D) Loss of control of the ladder

Loss of control of the ladder

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Portable ladders approved for fire service use can support up to _____. A) 300 lb (135 kg) B) 450 lb (205 kg) C) 600 lb (270 kg) D) 750 lb (340 kg)

750 lb (340 kg)

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When a ladder is used to gain access to a roof, a minimum of _____ rungs should show above the roofline. A) one B) three C) five D) seven

Five

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Where should the tip of a ladder be placed for rescue operations from a window? A) Immediately below the sill B) Into the opening about three rungs C) On either side of the window, halfway up the opening D) About 3 feet above the window

Immediately below the sill

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In the one-fire-fighter carry, where is the top beam of the ladder? A) Above the head B) Under the arm C) On the shoulder D) In the hands

On the shoulder

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Which ladder is carried with the tip forward? A) Straight B) Extension C) Attic D) Roof

Roof

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The two-fire-fighter shoulder can be used with extension ladders up to _____ long. A) 24 ft (7.5 m) B) 30 ft (9 m) C) 35 ft (10.5 m) D) 40 ft (12 m)

35 ft (10.5 m)

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On a three-fire-fighter ladder carry, how should the fire fighters align themselves? A) Two at the butt, one at the tip B) All three on the same side of the ladder C) Two on one side, one on the other D) Two at the tip, one at the butt

All three on the same side of the ladder

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For which situation is the three-fire-fighter flat shoulder ladder carry best suited? A) There are overhead obstructions B) The ladder must be maneuvered around sharp corners C) The ladder must be carried over short obstacles D) The ladder will be raised in a narrow space

The ladder must be carried over short obstacles

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When standing upright on a rung, how far should the rung at shoulder height be from the fire fighter? A) Half an arm's length B) About 12 in. (30 cm) C) An arm's length D) About 24 in. (61 cm)

An arms legnth

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For a ladder contacting the wall 20 ft (6 m) above the ground, the base should be _____ from the wall. A) 3 ft (1 m) B) 4 ft (1.2 m) C) 5 ft (1.5 m) D) 6 ft (1.8 m)

5ft (1.5 m)

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  1. What is the most likely consequence if the butt of a ladder is placed too close to the side of the building? A) The tip will pull away from the wall B) The butt will kick out from the wall C) The ladder will have reduced weight capacity D) The ladder will be more prone to tipping sideways

The tip will pull away from the wall

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When should the building be used to anchor the butt during a ladder raise? A) For any single-fire-fighter ladder raise B) When laddering a building without eaves C) When sending a roof ladder aloft D) When a single fire fighter raises an extension ladder

When a single fire fighter raises an extension ladder

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Which knot is used to tie off a ladder halyard? A) Clove hitch B) Sheepshank C) Figure eight D) Bowline on a bight

Clove hitch

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  1. Which action is potentially hazardous while raising an extension ladder? A) Hoisting the halyard with the hands in the "thumbs up" position B) Placing a foot on a rung C) Anchoring the ladder with a foot against a rail D) Tying off the halyard on a bed-section rung

Placing a foot on the rung

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Which part of a ladder directly bears the weight of the person climbing it? A) Tie rod B) Truss block C) Spur D) Rung

Rung

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Before raising an extension ladder, you should check to make sure the __________. A) foot is heeled B) area is clear of overhead obstructions C) halyard is secure D) dogs are locked

area is clear of overhead obstructions

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What is a safety rule for climbing a ladder? A) Avoid holding onto the beams during the climb B) Avoid standing with both feet on the same rung C) Look upward only when necessary D) Carry, rather than hoist, tools whenever possible

Look upward only when necessary

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Which term means the level at which the ground intersects the foundation of a structure? A) Grade B) Camber C) Fill D) Shoulder

Grade

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What do the beams of a ladder directly support? A) Fly B) Halyard C) Rungs D) Roof hooks

Rungs

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What is a ladder I-beam usually made of? A) Alloy B) Fiberglass C) Truss blocks D) Wood

Fiberglass

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The rails of a trussed beam are separated by __________. A) tie rods B) truss blocks C) A-plates D) I-beams

Truss blocks

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  1. What is the term for the rope or cable used to extend or hoist the fly section of an extension ladder? A) Halyard B) Hawser C) Sheet D) Leader

Haylard

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What is the term for ladders that are designed to be removed from the apparatus? A) Articulating ladders B) Bangor ladders C) Pompier ladders D) Portable ladders

Portable ladders

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What is the maximum reach for a 28-ft (8.5-m) ladder? A) The second-story roof B) The second-story windows with two rungs inside C) The second-story window sills only D) The third-story roof

The second story roof

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What is one of the primary functions of a roof ladder? A) Reduce the risk of roof collapse during ventilation operations B) Provide lightweight, rapid access to a roof C) Reduce the number of fire fighters required for vertical ventilation D) Provide a secondary means of egress

Reduce the risk of roof collapse during ventilation operations

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Which type of ladder can be converted from a straight ladder to an A-frame configuration? A) Combination B) Folding C) Attic D) Fresno

Combination

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How often should ground ladders be visually inspected? A) Monthly B) Quarterly C) Annually D) Biannually

Monthly

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Which part(s) of a ladder should not be exposed to solvents? A) All parts B) Beams C) Halyard D) Pawls

Halyard

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What is the proper climbing angle for a ladder? A) 30º B) 45º C) 60º D) 75º

75 deg.

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What is the term for keeping a ladder from slipping by applying one's weight to the underside of it? A) Securing B) Tying-in C) Anchoring D) Heeling

Heeling

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A ladder belt or a leg lock should be used when __________. A) moving an unconscious victim down a ladder B) tying in either the fly or the butt C) carrying equipment up or down the ladder D) reaching or working from a ladder

reaching or working from a ladder

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What is the floor-to-floor height of a commercial structure? A) 8-9 ft (2.5-2.75 m) B) 9-10 ft (2.75-3 m) C) 10-12 ft (3-3.65 m) D) 12-14 ft (3.65-4.25 m)

10-12 ft (3-3.65 m)

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What is the maximum length of a straight or roof ladder that can be carried safely by one fire fighter? A) 12 ft (3.65 m) B) 14 ft (4.25 m) C) 16 ft (5 m) D) 18 ft (5.5 m)

18 ft (5.5 m)

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Overextension of the fly section of an extension ladder is prevented by __________. A) stops B) pawls C) guides D) locks

stops

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Which type of ladder is usually carried up another ladder before being put into place? A) Chimney B) Roof C) Attic D) Fresno

Roof

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On a two-fire-fighter shoulder ladder carry, what should the fire fighter closer to the butt end do? A) Cover the butt spur with a gloved hand B) Carry the ladder chocks C) Extend the free arm forward D) Decide on the best placement

Cover the butt spur with a gloved hand

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A ladder is carried at arm's length in a(n) ___________ carry. A) quick B) suitcase C) arm D) grab

Suitcase

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How are the fire fighters arranged in the three-fire-fighter flat ladder carry? A) All three on the same side of the ladder B) Two at the tip, one at the butt C) Two on one side, one on the other D) Two at the butt, one at the tip

Two on one side, one on the other

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When lifting a ladder from the ground into the carrying position during the three-fire-fighter flat-shoulder carry, all three fire fighters should __________. A) step toward the butt B) pivot during the lift C) move their hands from the beam to the rung D) move to the same side

pivot during the lift

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When placed at the correct angle for climbing, the ratio of the ladder's vertical reach to distance of the butt from the structure is _____ to one. A) two B) three C) four D) five

Four

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Which type of raise is typically used when the ladder is raised perpendicular to the target surface? A) Beam B) Overhead C) Throw D) Rung

Rung

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What should be done with the excess halyard once an extension ladder is placed and extended? A) Use it to form an anchor point B) Let it hang between the ladder and the building C) Wrap it around rungs of the ladder D) Use it to tie off the bed section

Wrap it around the rungs of the ladder

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Which precaution should you take when raising the fly section of an extension ladder? A) Do not wrap the halyard around your hands B) Set the dogs after each click C) Maintain a firm grip on the rungs D) Set your feet against the inside of the rails

Do not wrap the halyard around your hands

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Before climbing a ladder, fire fighters should make sure it is __________. A) chocked B) blocked C) unoccupied D) heeled

Heeled

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Which statement is correct about sliding your hands long the underside of the beams while climbing a ladder? A) This practice provides you with three continuous points of contact. B) This practice is appropriate only when both hands are free. C) This practice is less secure than grabbing the rungs in a hand-over-hand manner. D) This practice is practical only on ladders with I-beam construction.

This practice provides you with three continuous points of contact.

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How many points of contact should a fire fighter maintain with the ladder when checking the stability of a roof surface? A) 1 B) 2 C) 3 D) 4

3

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A ladder __________ is used to lower a rescuer into a trench or manhole. A) frame B) tripod C) gin D) anchor

Gin

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Which term describes the top or bottom section of a trussed beam? A) Dog B) Block C) Rung D) Rail

Rail

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Which part of the ladder is placed against the ground when the ladder is raised? A) Butt B) Dog C) Heel D) Bed

Butt

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Which part of the ladder is raised or extended from the bed section? A) Tip B) Fly C) Extension D) Guide

Fly

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Which NFPA standard sets minimum performance standards for aerial ladders and elevating platforms? A) 1450 B) 1724 C) 1901 D) 1932

1901

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Which NFPA standard deals with use, maintenance, and service testing of in-service fire department ground ladders? A) 1401 B) 1560 C) 1875 D) 1932

1932

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When raising a ladder, it should be kept a minimum of _____ from power lines. A) 5 ft (1.5 m) B) 10 ft (3 m) C) 15 ft (4.5 m) D) 20 ft (6 m)

10 ft (3 m)

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Which type of ladder should be carried by more than one fire fighter? A) Extension B) Single C) Roof D) Attic

Extention

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A ladder consisting of a single section is called a _________ ladder. A) ground B) straight C) roof D) fly

Straight

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Poles used to stabilize long extension ladders are called __________. A) staypoles B) side poles C) guy poles D) extension poles

Stay-poles

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What is the maximum personnel load for a fire-service ladder? A) One fire fighter plus one victim B) Two fire fighters C) Two fire fighters plus one victim D) Three fire fighters

Two fire fighters plus one victim

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