CDL Practice Tests: Flatbed Cargo Securement

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Question #765 (1 of 10)

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Which of these is specifically prohibited when securing crushed or flattened vehicles?

  • Synthetic webbing.
  • Wire rope.
  • Chains.
  • Containment walls.
Securement Requirements

Transport flattened or crushed vehicles so that:

  • Cargo does not shift while in transit AND
  • Loose parts from the flattened vehicles do not dislodge and fall from the transport vehicle

Do not use synthetic webbing to secure vehicles.

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Question #778 (2 of 10)

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To secure a cubic-shaped boulder, how many tiedowns are required, at minimum?

  • 5
  • 2
  • 1
  • 3

Special Circumstances: Securing a Cubic-Shaped Boulder

The securement of a cubic-shaped boulder must meet these requirements in addition to the other large boulder requirements in Section 13.

Secure each boulder individually with at least two chain tiedowns placed side-to-side across the vehicle.

Place tiedowns as closely as possible to the hardwood blocking used to support the boulder.

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Question #794 (3 of 10)

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A sided vehicle containing cargo weighing 35,980 lbs must be able to withstand a rearward force of at least:

  • 36,000 lbs
  • 28,784 lbs
  • 10,000 lbs
  • 17,990 lbs

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 #717 (4 of 10)

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When securing building materials, how many tiedowns are required for top tier bundles longer than 5 ft?

  • 0
  • 1
  • 2
  • It depends on weight

Tiedowns over the top tier of bundles with a minimum of 2 tiedowns over each top bundle longer than 1.52 m (5 ft).

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Question #755 (5 of 10)

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When loaded cement pipe over 45 inches in diameter, which pipes should be blocked, wedged, or otherwise immobilized?

  • It depends on the weight of the load.
  • Rear only.
  • Front and rear.
  • Front only.

Immobilize the front and rear pipe with on of the following methods:

  • Blocking
  • Wedges
  • Vehicle end structure
  • Stakes
  • Locked pipe unloader
  • Other equivalent means
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Question #681 (6 of 10)

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Which of the following is not a reason why loads should be secured?

  • Prevent damage to the cargo
  • Prevent loss of load
  • Avoid fines and citations
  • Make it look pretty
Why?
  • Loss of life
  • Loss of load
  • Damage to the cargo
  • Damage to the vehicle
  • Issuance of citations/fines to driver/carrier
  • The vehicle being placed Out-of-Service.
  • A crash
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Question #805 (7 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 #788 (8 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 short piece of material, usually wood, nailed to the deck to reinforce blocking.
  • A strip of material that may be used to unitize articles and is tensioned and clamped or crimped back upon itself.

Tarp:

A waterproof sheet used to cover cargo.

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Question #772 (9 of 10)

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The narrowest end of a boulder should be pointed:

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

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

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Question #720 (10 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 right side of vehicle to left side of vehicle.
  • Attach at least one tiedown diagonally across eye of coil from left side of vehicle to right 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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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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