CDL Practice Tests: Flatbed Cargo Securement

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Question #788 (1 of 10)

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

  • A strip of material that may be used to unitize articles and is tensioned and clamped or crimped back upon itself.
  • A platform or tray on which cargo is placed so that it can be handled as an article.
  • A waterproof sheet used to cover cargo.
  • 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 #725 (2 of 10)

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Option #1 for securing coils transported with eyes lengthwise includes:

  • It should include all of these things
  • Using blocking or friction mats to prevent forward movement.
  • Attaching at least one tiedown diagonally from the left side of the vehicle, through the eye, to the right side of the vehicle
  • Attaching at least one tiedown diagonally from the right side of the vehicle, through the eye, to the left side of the vehicle
Tiedowns, Single Coil Option #1

Attach at least one tiedown diagonally from the left side of the vehicle, through the eye, to the right side of the vehicle. If possible, the angle between the tiedown and the deck should be less than 45, when viewed from the side of the vehicle.

Attach at least one tiedown diagonally from the right side of the vehicle, through the eye, to the left side of the vehicle. If possible, the angle between the tiedown and the deck should be less than 45, when viewed from the side of the vehicle.

Attach at least one tiedown side-to-side over the top of the coil.

Use blocking or friction mats to prevent forward movement.

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Question #777 (3 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
  • 5,000 lbs
  • 11,000 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 #753 (4 of 10)

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When securing concrete pipe over 45 inches loaded crosswise, which direction must the tiedowns on the rear half of the load run?

  • It doesn't matter.
  • Straight up and down.
  • Forward
  • Rearward
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 #718 (5 of 10)

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High friction securement devices include:

  • Friction mat
  • Cleated mat
  • Piece of wood with friction surface
  • These can all be used for securement.
High Friction Devices
  • Friction mat
  • Piece of wood with friction surface
  • Cleated mat
  • Other specialized equipment
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Question #689 (6 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?

  • 0.5g (50% of cargo weight)
  • 0.8g (80% of cargo weight)
  • 0.2g (20% of cargo weight)
  • 0.7g (70% 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 #745 (7 of 10)

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When securing concrete bell pipe in multiple complete tiers, all of the following are true except:

  • Bells of the upper tiers must all be on the opposite side of the vehicle from the bells of the tier below.
  • All of these apply.
  • Stack the tiers in pyramid fashion.
  • Bells of the bottom tier must all be on the same side of the vehicle
More than one tier with complete tiers

Bells of the bottom tier must all be on the same side of the vehicle

Bells of the upper tiers must be are on the opposite side of the vehicle from the bells of the tier below.

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Question #731 (8 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?

  • 4
  • 2
  • 1
  • 3

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 #748 (9 of 10)

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When securing concrete pipe up to 45 inches loaded crosswise, tiedowns through the pipe must be:

  • Wire.
  • Chains
  • Nylon rope.
  • Straps.
Tiedown requirements
  • Pipe may be secured individually or as a group.
  • Tiedowns through the pipe must be chains.
  • Front-to-back tiedowns may be chain or wire rope.
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Question #791 (10 of 10)

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A tiedown is defined as:

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

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).

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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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