CDL Practice Tests: Flatbed Cargo Securement

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Question #728 (1 of 10)

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When securing rows of coils, requirements include all of the following except:

  • Attach at least one tiedown over the top of each coil or side-by-side row, located near the rear of the coil.
  • Attach at least one tiedown over the top of each coil or side-by-side row, located near the front of the coil.
  • Attach at least one tiedown through the center of each row of coils.
  • Use blocking or friction mats to prevent forward movement.
Tiedowns

Attach at least one tiedown over the top of each coil or side-by-side row, located near the front of the coil.

Attach at least one tiedown over the top of each coil or side-by-side row, located near the rear of the coil.

Use blocking or friction mats to prevent forward movement.

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Question #757 (2 of 10)

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When securing an intermodal container on a chassis, what is the maximum allowable vertical travel when secured?

  • 1 inch
  • 2 1/2 inches
  • 1/2 inch
  • 2 inches

Securing devices must restrain the container from moving more than:

  • 1.27 cm (1/2 in) forward.
  • 1.27 cm (1/2 in) rearward.
  • 1.27 cm (1/2 in) to the right.
  • 1.27 cm (1/2 in) to the left.
  • 2.54 cm (1 in) vertically.
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Question #797 (3 of 10)

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What is a rub rail?

  • A platform or tray on which cargo is placed so that it can be handled as an article. (Same as "Skid")
  • A strip of material that may be used to unitize articles and is tensioned and clamped or crimped back upon itself. (same as "Strapping")
  • A rail along the side of a vehicle that protects the side of the vehicle from impacts.
  • 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.

Rub Rail:

A rail along the side of a vehicle that protects the side of the vehicle from impacts.

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Question #774 (4 of 10)

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Specific securement methods are required for boulders that:

  • Weigh more than 11,000 lbs, or have a volume of more than 2 cubic meters.
  • Weigh more than 5,000 lbs, or have a volume of more than 4 cubic meters.
  • Have more than five distinct sides.
  • Weigh more than 5,000 lbs, or have a volume of more than 1.25 cubic meters.
The requirements in this section apply to any piece of natural, irregularly shaped rock that:

Weighs more than 5,000 kg (11,000 lb.) or has a volume greater than two cubic meters

Is transported on an open vehicle or in a vehicle whose sides are not designed and rated for the transportation of boulders.

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Question #716 (5 of 10)

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When securing building materials, spacer requirements include all of the following except:

  • Spacers must provide good interlayer friction.
  • The height of each spacer must be equal or greater than the width.
  • If spacers are comprised of layers of material, the layers must be unitized or fastened together to ensure that the spacer performs as a single piece of material.
  • The length of spacers must provide support to all pieces in the bottom row of the bundle.
Spacer Requirements
  • The length of spacers must provide support to all pieces in the bottom row of the bundle.
  • The width of each spacer must be equal or greater than the height.
  • Spacers must provide good interlayer friction.
  • If spacers are comprised of layers of material, the layers must be unitized or fastened together to ensure that the spacer performs as a single piece of material.
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Question #788 (6 of 10)

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If you were instructed to 'tarp' a load, what would you be using?

  • A waterproof sheet used to cover cargo.
  • A platform or tray on which cargo is placed so that it can be handled as an article.
  • A strip of material that may be used to unitize articles and is tensioned and clamped or crimped back upon itself.
  • A short piece of material, usually wood, nailed to the deck to reinforce blocking.

Tarp:

A waterproof sheet used to cover cargo.

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Question #696 (7 of 10)

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What is the presumed resistance to horizontal movement of friction mats?

  • 0
  • 20% of cargo weight.
  • 100% of cargo weight.
  • 50% of cargo weight.

Note: Friction mats, which are not marked by the manufacturer, are assumed to provide a resistance to horizontal movement equal to 50% of the cargo weight that is resting on the mat.

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Question #752 (8 of 10)

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When securing concrete pipe with a diameter of more than 45 inches loaded crosswise, how many tiedowns are required through each pipe at minimum?

  • 3
  • 1
  • It depends on the weight of the pipe.
  • 2
Requirements for securing the pipe

Secure each pipe with tiedowns through the pipe.

Run at least one tiedown through each pipe in the front half of the load. This includes the middle one if there are an odd number. The tiedown must run rearward at an angle not more than 45 with the horizontal when viewed from the side of the vehicle, whenever practicable.

Run at least one tiedown through each pipe in the rear half of the load. The tiedown must run forward at an angle not more than 45 with the horizontal when viewed from the side of the vehicle, whenever practicable. This holds each pipe firmly in contact with adjacent pipe.

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Question #805 (9 of 10)

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A dunnage bag is:

  • A transverse load bearing structural component, particularly a part of a log bunk.
  • A waterproof sheet used to cover cargo.
  • An inflatable bag intended to fill otherwise empty space between articles of cargo, or between articles of cargo and the wall of the vehicle.
  • A structure, device, or another substantial article placed against or around an article to prevent horizontal movement of the article.

Dunnage bag:

An inflatable bag intended to fill otherwise empty space between articles of cargo, or between articles of cargo and the wall of the vehicle.

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Question #772 (10 of 10)

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The narrowest end of a boulder should be pointed:

  • Towards the sky.
  • It doesn't matter.
  • Towards the front of the vehicle.
  • Towards the rear of the vehicle.

If a boulder is tapered, point the narrowest end towards the front of the vehicle.

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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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