CDL Practice Tests: Flatbed Cargo Securement

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Question #717 (1 of 10)

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

  • It depends on weight
  • 0
  • 1
  • 2

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 #777 (2 of 10)

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When securing a non-cubic boulder with an unstable base, the four surrounding chains must have a WLL of at least:

  • 25% the weight of the boulder
  • 11,000 lbs
  • 5,000 lbs
  • 50% the weight of the boulder

Special Circumstances: Securing a Non-Cubic Shaped Boulder with an Unstable Base

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

Surround the top of each boulder at a point between 1/2 and 2/3 of its height with one chain.

The WLL of the chain must be at least 50% of the weight of the boulder.

Attach four chains to the surrounding chain and the vehicle to form a blocking mechanism that prevents any horizontal movement.

Each chain must have a WLL of at least 25% the weight of the boulder, and the angle of the chain must be less than 45° from the horizontal.

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Question #698 (3 of 10)

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The Aggregate Working Load Limit should, at minimum, be:

  • Determined by the shipper.
  • 80% of the weight of the cargo.
  • 50% of the weight of the cargo.
  • 100% of the weight of the cargo.
How much should the Aggregate Working Load Limit be?

The aggregate working load limit of any securement system must be at least 50% of the weight of the cargo being secured.

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Question #812 (4 of 10)

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Banding is:

  • 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 device placed on the exposed edge of an article to distribute tiedown forces over a larger area of cargo than the tiedown itself, to protect the tie-down and/or cargo from damage, and to allow the tiedown to slide freely when being tensioned.
  • 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).
  • Material used to fill a void between articles of cargo and the structure of the vehicle that has sufficient strength to prevent movement of the articles of cargo.

Banding:

A strip of material that may be used to unitize articles and is tensioned and clamped or crimped back upon itself. (same as "Strapping")

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Question #706 (5 of 10)

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Requirements for securing two stacks of shortwood loaded side-by-side include:

  • The highest log is no more than 8 ft above the deck.
  • All of these are required.
  • At least one tiedown is used lengthwise across each stack.
  • There is no space between the stacks of logs.
Additional requirements securement for two stacks side-by-side

In addition to the requirements for shortwood loaded crosswise, load two stacks side-by-side so that:

  • There is no space between the stacks of logs.
  • The outside of each stack is raised at least 2.5 cm (1 in) within 10 cm (4 in) of the end of the logs or from the side of the vehicle.
  • The highest log is no more than 2.44 m (8 ft) above the deck.
  • At least one tiedown is used lengthwise across each stack.
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Question #703 (6 of 10)

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What is the minimum WLL of a tiedown used to secure logs?

  • 4,000 lb
  • 1,800 lb
  • 50% of cargo weight
  • It depends on if you are hauling shortwood or longwood
  • Use tiedowns in combination with bunks, stakes, or standards and bolsters to secure the load.
  • All tiedowns must have a working load limit not less than 1,800 kg (4,000 lb.).
  • Tension tiedowns as tightly as possible but not beyond their working load limit.
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Question #731 (7 of 10)

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When securing rolls of paper with eyes vertical, how many points of contact are required to consider a roll secure?

  • 2
  • 1
  • 3
  • 4

Usually the roll is secure if a paper roll has 3 well-separated points of contact with the vehicle, other rolls, or other cargo.

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Question #776 (8 of 10)

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Requirements for securing a non-cubic shaped boulder with a stable base include all of the following except:

  • Wrap chains around the circumference of the boulder.
  • Attach chains together at the intersection
  • Pass the tiedowns over the center of the boulder
  • Secure each boulder individually with at least two chain tiedowns forming an X pattern over the boulder.

Secure each boulder individually with at least two chain tiedowns forming an X pattern over the boulder.

Pass the tiedowns over the center of the boulder and attach them to each other at the intersection by a shackle or other connecting device.

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Question #727 (9 of 10)

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When securing metal coils in a sided vehicle without anchor points:

  • Use locking and bracing
  • Use friction mats
  • Follow general cargo securement requirements
  • All of these apply

Securing Coils Transported in a Sided Vehicle or Intermodal Container without Anchor Points

To prevent metal coils from moving horizontally and/or tipping:

Follow general cargo securement requirements

Secure the coils using:

  • Blocking and bracing
  • Friction mats
  • A combination of these.
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Question #730 (10 of 10)

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When securing paper rolls with eyes vertical in a sided vehicle all of the following are acceptable except:

  • Placing rolls against the front and walls of the vehicle.
  • Placing the rolls against each other.
  • Placing the rolls against other cargo.
  • Placing rolls against the doors.
  • Place paper rolls together in a group so that the structure of the group can be maintained.
  • Place paper rolls against:
    • The front and walls of the vehicle
    • Each other
    • Other cargo
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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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