CDL Practice Tests: Flatbed Cargo Securement

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Question #817 (1 of 10)

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When securing a load of lengthwise longwood logs weighing 42,500 lbs, what is the minimum aggregate WLL required for tiedowns? (rounded up to nearest lb)

  • 10,000 lbs
  • 7,085 lbs.
  • 21,250 lbs
  • 8,550 lbs
Working load limit for longwood and shortwood loaded lengthwise

The aggregate working load limit for all tiedowns must be no less than 1/6 the weight of the stack of logs.

Note: This requirement is much less than the general requirement of an aggregate working load limit equal to 1/2 the weight of the load. This lowered requirement recognizes that the bunks/stakes help to prevent slippage.

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Question #795 (2 of 10)

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A device placed between the deck of a vehicle and car or between articles of cargo, intended to provide greater friction than exists naturally between these surfaces is:

  • A chock.
  • A friction mat.
  • Void filler.
  • A cleat.

Friction mat:

A device placed between the deck of a vehicle and car or between articles of cargo, intended to provide greater friction than exists naturally between these surfaces.

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Question #724 (3 of 10)

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When securing metal coils, it is acceptable to use nailed blocking or cleats as the sole means to secure:

  • Chocks
  • Nailed wood cradles
  • It is not acceptable.
  • Timbers

The use of nailed blocking or cleats as the sole means to secure timbers, chocks or wedges, or a nailed wood cradle, is prohibited.

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Question #785 (4 of 10)

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In cargo securement, a wedge is defined as:

  • The depression formed between two cylindrical articles when they are laid with their eyes horizontal and parallel against each other.
  • A short piece of material, usually wood, nailed to the deck to reinforce blocking.
  • A rail along the side of a vehicle that protects the side of the vehicle from impacts.
  • A tapered piece of material, thick at one end and thin at the other, used to help keep cargo from moving.

Wedge:

A tapered piece of material, thick at one end and thin at the other, used to help keep cargo from moving.

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Question #704 (5 of 10)

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As part of the log packing requirements:

  • Logs must be loosely packed.
  • The center of the highest log on each side or end must be above the top of each stake, bunk, or standard.
  • Outer bottom logs must be in contact with and rest solidly against bunks, bolsters, stakes, or standards.
  • Each inside log on the side of a stack of logs must touch at least two bunks, bolsters, stakes, or standards.
Packing requirements
  • Logs must be solidly packed.
  • Outer bottom logs must be in contact with and rest solidly against bunks, bolsters, stakes, or standards.
  • Each outside log on the side of a stack of logs must touch at least two bunks, bolsters, stakes, or standards. If one end of the log doesn't touch a stake:
    • It must rest on other logs in a stable manner.
    • It must extend beyond the stake, bunk, bolster, or standard.
  • The center of the highest log on each side or end must be below the top of each stake, bunk, or standard.
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Question #739 (6 of 10)

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When securing paper rolls with eyes crosswise, which of the following can be used to prevent side-to-side shifting when there is more than 8 inches of space to the wall?

  • Void fillers.
  • Any of these methods are acceptable.
  • Friction mats.
  • Tiedowns.
Requirements for eyes crosswise: prevent rolls from shifting toward either wall

If there is more than a total of 203 mm (8 in) of space between the ends of a paper roll and other rolls or the walls of the vehicle, use one of these methods:

  • Void fillers (such as honeycomb)
  • Blocking
  • Bracing
  • Friction mats
  • Tiedowns
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Question #687 (7 of 10)

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Which of the following can be used as part of the cargo securement system?

  • Blocking and bracing equipment.
  • All of these are valid.
  • Securing devices.
  • Vehicle structure.
What is a securement system?

A securement system is a securement method that uses one or a combination of the following elements:

  • Vehicle Structure.
  • Securing Devices.
  • Blocking and Bracing Equipment.
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Question #693 (8 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?

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

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

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Question #814 (9 of 10)

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A chock is defined as:

  • A tapered or wedge-shaped piece used to secure round articles against rolling.
  • A short piece of material, usually wood, nailed to the deck to reinforce blocking.
  • 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 #682 (10 of 10)

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What types of freight need to be secured properly?

  • All freight should always be properly secured while driving.
  • Intermodal containers.
  • Hazardous materials.
  • Equipment used for vehicle operation.

    Cargo

  • Any cargo and dangerous goods/hazardous materials, including:
    • All general freight.
    • All equipment carried for vehicle operation.
    • Intermodal containers and their contents.
  • Some specific commodities have additional or different securement requirements (see later sections of this Handbook).
  • Additional requirements under separate regulations may also apply for transportation of certain types of dangerous goods or hazardous materials.
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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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