CDL Practice Tests: Flatbed Cargo Securement

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Question #734 (1 of 10)

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What is the minimum securement requirement for paper rolls with eyes vertical with a width between 1.25 and 1.76 its diameter?

  • Friction mats alone.
  • All of these are required.
  • Tiedowns.
  • Banding them together.
Situation #4
  • A paper roll or the forwardmost roll(s) in a group of paper rolls is not prevented from tipping or falling forward by vehicle structure or other cargo.
  • Paper roll width is more than 1.25 times and less than 1.76 times its diameter.
  • Only friction mats are used for forward securement.
Solution #4:

The friction mat alone is adequate. The friction mat allows the roll to slide on the floor without tripping the roll.

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Question #693 (2 of 10)

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When a tiedown is attached directly to the cargo, what is the ideal angle where it attached to the vehicle?

  • Between 45 and 60 degrees.
  • 90 degrees.
  • It doesn't matter.
  • Less than 45 degrees.

The angle where the tiedown attaches to the vehicle should be shallow, not deep (ideally less than 45).

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Question #793 (3 of 10)

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'Blocking' is defined as:

  • A rail along the side of a vehicle that protects the side of the vehicle from impacts.
  • A tapered or wedge-shaped piece used to secure round articles against rolling.
  • A vertical barrier across the front of the deck of a vehicle to prevent forward movement of cargo.
  • A structure, device, or another substantial article placed against or around an article to prevent horizontal movement of the article.

Blocking:

A structure, device, or another substantial article placed against or around an article to prevent horizontal movement of the article.

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Question #715 (4 of 10)

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Methods of securing building materials against forward motion include:

  • These are all valid methods.
  • Using tiedowns.
  • Placing bundles against the bulkhead or front end.
  • Employing blocking equipment.
  • Option #1

    Place bundles against bulkhead/front end structure.

  • Option #2

    When different tiers need to be secured, use a combination of blocking equipment and tiedowns.

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Question #697 (5 of 10)

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Which of the following is not true of Working Load Limit (WLL)?

  • The minimum WLL requirement for the securement system is 25%.
  • The WLL is usually assigned by the component manufacturer.
  • The Working Load Limit is the maximum load that may be applied to a component of a cargo securement system.
  • All of these are true.

The Working Load Limit is the maximum load that may be applied to a component of a cargo securement system during normal service.

The WLL is usually assigned by the component manufacturer.

Note: The minimum WLL requirement for the securement system is 50%. More tiedown capacity should be used if you need to secure an article against any movement.

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Question #712 (6 of 10)

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Which of these are requirements for securement systems?

  • There should be no knots in the tiedowns.
  • If a tiedown would be subject to cutting or abrasion, edge protection should be used.
  • Components should be in proper working order.
  • These all qualify as requirements.
Requirements for Securement System:
  • In proper working order with no damaged or weakened components that affect their performance or reduce their working load limit.
  • No knots.
  • Attached and secured in a manner that prevents them from coming loose during transit.
  • Able to be tightened by a driver of an in-transit vehicle.
  • Located inboard of rub rails whenever practicable.
  • Edge protection must be used when a tiedown would be subject to abrasion or cutting.
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Question #720 (7 of 10)

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When securing a single metal coil with eyes vertical:

  • Attach at least one tiedown over eye of coil from side-to-side.
  • Attach at least one tiedown diagonally across eye of coil from left side of vehicle to right side of vehicle.
  • Attach at least one tiedown diagonally across eye of coil from right side of vehicle to left side of vehicle.
  • These are all requirements.

To prevent the coil from tipping forward, rearward, and sideways, arrange tiedowns to include the following:

  • Attach at least one tiedown diagonally across eye of coil from left side of vehicle to right side of vehicle.
  • Attach at least one tiedown diagonally across eye of coil from right side of vehicle to left side of vehicle.
  • Attach at least one tiedown over eye of coil from side-to-side.
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Question #689 (8 of 10)

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If the cargo is fully contained in a sided vehicle, what is the minimum requirement for withstanding sideways force?

  • 0.8g (80% of cargo weight)
  • 0.5g (50% of cargo weight)
  • 0.7g (70% of cargo weight)
  • 0.2g (20% of cargo weight)

Note: If the cargo is contained in a sided vehicle, the vehicle structure MUST be strong enough to withstand the forces described earlier.

  • Forward force: 0.8 g (80%)
  • Rearward force: 0.5.g (50%)
  • Sideways force: 0.5 g (50%)
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Question #814 (9 of 10)

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A chock is defined as:

  • A short piece of material, usually wood, nailed to the deck to reinforce blocking.
  • A tapered or wedge-shaped piece used to secure round articles against rolling.
  • A crosswise load bearing structural component, particularly a part of a log bunk.
  • A structure, device, or another substantial article placed against or around an article to prevent horizontal movement of the article.

Chock:

A tapered or wedge-shaped piece used to secure round articles against rolling.

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Question #694 (10 of 10)

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In case of low friction between the cargo and deck, which of these is not a solution?

  • Attach tiedowns to the cargo.
  • Set the cargo on friction mats.
  • Put something heavy on top of the cargo.
  • Use some kind of blocking.
What should you use in low-friction situations?

When there is low friction between the cargo and the deck (for example, with snow, ice, sand, gravel, and oil):

  • Use tiedowns attached to the cargo.
  • Use a means to improve the friction such as friction mats or tiedown that pass over the cargo.
  • Use blocking and tiedowns.
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About The Flatbed Cargo Securement CDL Manual

Studying the flatbed cargo securement CDL manual is not a requirement for getting your CDL permit or license. It is required knowledge for flatbed drivers.

Some questions you should be able to answer for flatbed cargo securement:

  • What is the minimum Working Load Limit of a tiedown used to secure logs?
  • What is the minimum weight of a shipment of paper rolls that would require specific securement requirements?
  • When securing concrete pipe over 45 inches loaded crosswise, which direction must the tiedowns on the front half of the load run?
  • What is a cab shield?
  • When securing concrete pipe over 45 inches loaded crosswise, which direction must the tiedowns on the rear half of the load run?
  • What is a dunnage bag?
  • Who is responsible for inspecting securing devices and cargo within the first 50 miles?
  • How many tiedowns are required on a stack of shortwood loaded crosswise?
  • What is the minimum working load limit of each tiedown used to secure crushed or flattened vehicles?
  • Define 'bolster'
  • What is a hook-lift container?
  • When a tiedown is attached directly to the cargo, what is the ideal angle where it attached to the vehicle?

What is a securing device?

Any device specifically manufactured to attach or secure cargo to a vehicle or trailer:

  • Synthetic Webbing
  • Chain
  • Wire rope
  • Manila rope
  • Synthetic rope
  • Steel strapping
  • Clamps and latches
  • Blocking
  • Front-end structure
  • Grab hooks
  • Binders
  • Shackles
  • Winches
  • Stake pockets
  • D-rings
  • Pocket
  • Webbing ratchet
  • Bracing
  • Friction mat

What is a tiedown?

A combination of securing devices that forms an assembly that:

  • Attaches cargo to, or restrains cargo on a vehicle.
  • Is attached to anchor point(s).

Some tiedowns are attached to the cargo and provide direct resistance to restrain the cargo from movement.

Some tie-downs pass over or through the cargo. They create a downward force that increases the effect of friction between the cargo and the deck. This friction restrains the cargo.

Related Cargo Securement Terms That Every Driver Should Know:

  • Tiedown:

    A combination of securing devices which form an assembly that attaches cargo to, or restrains cargo on, a vehicle or trailer, and is attached to anchor point(s).

  • Contained:

    Cargo is contained if it fills a sided vehicle, and every article is in contact with or sufficiently close to a wall or other articles so that it cannot shift or tip if those other articles are also unable to shift or tip.

  • Blocking:

    A structure, device, or another substantial article placed against or around an article to prevent horizontal movement of the article.

How should tiedowns be attached?

Tiedowns can be used in two ways:

  • Attached to the cargo:

    • Tiedowns attached to the vehicle and attached to the cargo.
    • Tiedowns attached to the vehicle, pass through or aroundan article of cargo, and then are attached to the vehicle again.

  • Pass over the cargo:

    • Tiedowns attached to the vehicle, passed over the cargo, and then attached to the vehicle again.

Tiedown placement:

Place the tiedown as close as possible to the spacer.

Position the tiedowns as symetrically as possible over the length of the article.

Position the tiedowns to preserve the integrity of the article.

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