CDL Practice Tests: Flatbed Cargo Securement

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Question #707 (1 of 10)

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All of the following are requirements for dividing vehicles over 33ft except:

  • Vehicle must be divided by center stakes into sections of staggered length.
  • Each tiedown must secure the highest log on each side of the center stake.
  • Vehicle must be equipped with center stakes or comparable devices.
  • Each tiedown must be fastened below the logs on each side of the center stake.
Requirements for dividing vehicles over 10m (33 ft)

Vehicles over 10 m (33 ft) must be equipped with center stakes, or comparable devices, to divide it into sections of equal length.

Each tiedown must:

  • Secure the highest log on each side of the center stake.
  • Be fastened below these logs.
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Question #786 (2 of 10)

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Cargo securement for a load weighing 37,000 lbs must be able to withstand a minimum forward braking force of:

  • 18,500 lbs
  • 29,600 lbs
  • 7,400 lbs
  • 10,000 lbs

How well must the securement system work? (Section 1.3)

Each cargo securement system must be able to withstand a minimum amount of force in each direction.

  • Forward Force = 80% of cargo weight when braking while driving straight ahead.
  • Rearward Force = 50% of cargo weight when accelerating, shifting gears while climbing a hill, or braking in reverse.
  • Sideways Force = 50% of cargo weight when turning, changing lanes, or braking while turning.
  • Upward Force = 20% of cargo weight when traveling over bumps in the road or cresting a hill.
    • This requirement is satisfied when the cargo is "Fully Contained."
37,000 x 80% = 29,600 lbs.
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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:

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

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 #701 (4 of 10)

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The definition for "shortwood" identifies pieces that are no longer than:

  • 75 in
  • Half the length of the trailer.
  • 16 ft
  • The width of the road.
Shortwood
  • Normally up to about 2.5 m (100 in) in length.
  • No longer than 4.9 m (16 ft) in length.
  • Also called:

    • Cut-up logs
    • Cut-to-length logs
    • Bolts
    • Pulpwood
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Question #739 (5 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?

  • Any of these methods are acceptable.
  • Void fillers.
  • 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 #720 (6 of 10)

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When securing a single metal coil with eyes vertical:

  • These are all requirements.
  • 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 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.

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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Question #776 (7 of 10)

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

  • 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.
  • Attach chains together at the intersection
  • Wrap chains around the circumference of 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 #806 (8 of 10)

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A container chassis vehicle is defined as:

  • A reusable, transportable enclosure that is especially designed with integral locking devices that secure it to a container chassis trailer to facilitate the efficient and bulk shipping and transfer of goods by, or between various modes of transport, such as highway, rail, sea, and air.
  • A structure, device, or another substantial article placed against an article to prevent it from tipping that may also prevent it from shifting.
  • A specialized container, primarily used to contain and transport materials in the waste, recycling, construction/demolition, and scrap industries, which are used in conjunction with specialized vehicles, in which the container isloaded and unloaded onto a tilt frame body by an articulating hook-arm.
  • A vehicle especially built and fitted with locking devices for the transport of intermodal containers.

Container Chassis Vehicle:

A vehicle especially built and fitted with locking devices for the transport of intermodal containers.

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Question #738 (9 of 10)

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When loading paper rolls with eyes horizontal, which of the following is not a requirement for stacking a second layer:

  • All the wells in the layer beneath must be filled
  • It must be blocked against an eye-vertical blocking roll resting on the floor of the vehicle that is at least 1.5 times taller than the diameter of the roll being blocked.
  • The bottom layer must extend all the way to the front.
  • Place second layer with eyes vertical.
Requirements for eyes crosswise: secure stacks of paper rolls from front-to-back movement
  • Do not load paper rolls on a second layer unless the bottom layer extends to the front of the vehicle.
  • Load paper rolls on higher layers only if all wells in the layer beneath are filled.
  • Secure the foremost roll in each upper layer (or any roll with an empty well in front of it) against forward movement:
    • Either by placing it in a well formed by two rolls on the lower row whose diameter is equal to or greater than that of the roll on the upper row.
    • Or by banding it to other rolls.
    • Or by blocking it against an eye-vertical blocking roll resting on the floor of the vehicle that is at least 1.5 times taller than the diameter of the roll being blocked.
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Question #692 (10 of 10)

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When using tiedowns for securing cargo, what is the general rule regarding cargo length.

  • 1 tiedown for every 5 ft, or part thereof.
  • 2 tiedowns for every 10 ft, or part thereof.
  • 1 tiedown for every 15 ft, or part thereof.
  • 1 tiedown for every 10 ft, or part thereof.

When cargo is prevented from forward movement (for example, by the headboard, bulkhead, other cargo, or tiedown), secure the cargo according to the following requirements:

All Cargo:

1 tiedown for every 10 ft, or part thereof.

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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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