CDL Practice Tests: Flatbed Cargo Securement

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Question #770 (1 of 10)

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The maximum distance from the rear allowed for attaching mechanisms used to secure roll-on/roll-off containers is:

  • 2 feet
  • 3 feet
  • It doesn't matter.
  • 6 1/2 feet

Attach mechanisms used to secure the rear end of a roll-on/roll-off or hook lift container no more than two meters (6.5 feet) from the rear of the container.

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Question #756 (2 of 10)

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What is the maximum angle recommended for tiedowns securing cement pipe loaded crosswise, relative to the deck?

  • 180 degrees
  • 45 degrees
  • It doesn't matter
  • 45-90 degrees
If the first pipe of a group in the top tier is not at the front of the tier beneath:

Attach an additional tiedown that runs rearward at an angle not more than 45 to the horizontal when viewed from the side of the vehicle, whenever practical.

Pass tiedown either through the front pipe of the upper tier or outside the front pipe and over both longitudinal tiedowns.

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Question #784 (3 of 10)

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An anchor point is defined as:

  • Part of the structure, fitting, or attachment on a vehicle or cargo to which a tiedown is attached.
  • A rail along the side of a vehicle that protects the side of the vehicle from impacts.
  • A vertical barrier across the front of the deck of a vehicle to prevent forward movement of cargo.
  • The load carrying area of a truck, trailer, or intermodal container.

Anchor point:

Part of the structure, fitting, or attachment on a vehicle or cargo to which a tiedown is attached.

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Question #681 (4 of 10)

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

  • Avoid fines and citations
  • Make it look pretty
  • Prevent damage to the cargo
  • Prevent loss of load
Why secure your load? To prevent:
  • 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 #759 (5 of 10)

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What is the minimum WLL required of tiedowns securing loaded intermodal containers on non-chassis vehicles?

  • It depends on the length of the container.
  • 20% of the loaded weight of the container.
  • 50% of the loaded weight of the container.
  • 80% of the loaded weight of the container.

Secure each container to the vehicle by:

  • Either chains, wire ropes, or integral devices that are fixed to all lower corners.
  • Or crossed chains that are fixed to all upper corners.
  • Or both.

Secure the front and rear of the loaded container independently.

Secure the four corners using tiedowns that are attached to the loaded container.

The tiedowns must have an aggregate working load limit of at least 50% of the loaded weight of the loaded container.

Attach each chain, wire rope, or integral locking device to the container in a manner that prevents it from becoming unfastened while in transit.

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Question #685 (6 of 10)

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How many knots are acceptable in a properly working tiedown?

  • 1
  • 0
  • 2
  • 3

All components of a tiedown must be in proper working order.

  • No knots or obvious damage
  • No distress
  • No weakened parts
  • No weakened sections
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Question #753 (7 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?

  • Rearward
  • It doesn't matter.
  • Forward
  • Straight up and down.
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 #777 (8 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:

  • 5,000 lbs
  • 25% the weight of the boulder
  • 50% 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 #699 (9 of 10)

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Who is responsible for inspecting securing devices and cargo within the first 50 miles?

  • The D.O.T.
  • Your Moms.
  • The driver.
  • The shipper.

Inspect Cargo and Securing devices:

  • Pre-Trip: Yes
  • Within first 50 mi: Yes
  • When duty status of driver changes: Yes
  • At 3 hour intervals or every 150 mi, whichever is first: Yes

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Question #691 (10 of 10)

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What is the minimum number of tiedowns to use on a load 4ft 7in long, and weighing 1,237 lbs?

  • 4
  • 3
  • 1
  • 2
  • If load is 5ft or shorter, 1,100 lbs or lighter:

    Minimum number of tiedowns: 1

  • If load is 5ft or shorter, over 1,100 lbs:

    Minimum number of tiedowns: 2

  • If load is more than 5ft but less than 10ft:

    Minimum number of tiedowns: 2

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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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