CDL Practice Tests: Flatbed Cargo Securement

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Question #686 (1 of 10)

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How much force is the securement system required to withstand in terms of cargo weight?

  • 80% forward, 50% rearward, 50% sideways, 20% upwards.
  • 80% forward, 50% rearward, 80% sideways, 20% upwards.
  • 50% forward, 20% rearward, 50% sideways, 20% upwards.
  • 50% forward, 50% rearward, 50% sideways, 80% upwards.
How strong must the vehicle structure and anchor points be?

All elements of the vehicle structure and anchor points must be strong enough to withstand the forces described on page 7.

  • Forward force: 0.8 g (80%)
  • Rearward force: 0.5.g (50%)
  • Sideways force: 0.5 g (50%)
  • Upward force: 0.2 g (20%)
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Question #803 (2 of 10)

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What is the Aggregate WLL of the securement system for a load secured with 7 tiedowns: 3 rated at WLL of 4,000 lbs, 2 at 6,500, and 1 at 8,000?

  • 33,000 lbs
  • 8,250 lbs
  • 10,000 lbs
  • 16,500 lbs
How do you calculate Aggregate Working Load Limit for tiedowns?

To calculate Aggregate Working Load limit, add together:

  • 50% of the WLL of each end section of a tiedown that is attached to an anchor point.
  • 50% of the WLL of each end section that is attached to the cargo
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Question #770 (3 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:

  • 6 1/2 feet
  • It doesn't matter.
  • 3 feet
  • 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 #787 (4 of 10)

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When calculating directional forces, 'g' is expressed as:

  • The maximum load that may be applied to a component of a cargo securement system during normal service, usually assigned by the manufacturer of the component.
  • The summation of the working load limits or restraining capacity of all devices used to secure an article on a vehicle.
  • The acceleration due to gravity, 9.823 m/sec2 (32.2 ft/sec2). For cargo securement purposes it is expressed as a percentage of cargo weight, i.e. .5g is 50% of force of gravity or 50% of cargo weight.
  • The maximum load that may be applied to a component of a cargo securement system during normal service, usually assigned by the manufacturer of the component.

g:

The acceleration due to gravity, 9.823 m/sec2 (32.2 ft/sec2). For cargo securement purposes it is expressed as a percentage of cargo weight, i.e. .5g is 50% of force of gravity or 50% of cargo weight.

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Question #744 (5 of 10)

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What is the minimum aggregate WLL of all tiedowns in a group of concrete pipe?

  • 5,000 lbs.
  • It depends on the size of the pipe.
  • 80% of the total weight of all pipes in the group.
  • More than 50% of the total weight of all pipes in the group.

General tiedown requirements

The aggregate working load limit of all tiedowns on any group of pipe must be more than half the total weight of all pipes in the group.

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Question #756 (6 of 10)

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

  • 45 degrees
  • 45-90 degrees
  • 180 degrees
  • It doesn't matter
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 #733 (7 of 10)

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When banding paper rolls with eyes vertical, you should:

  • Apply bands loosely.
  • Secure bands with tape, hangers, or other means.
  • All of these are necessary.
  • Spread rolls apart from each other.

Banding

If paper rolls are banded together:
  • Place rolls tightly against each other to form a stable group.
  • Apply bands tightly.
  • Secure bands with tape, hangers, or other means so that the bands cannot fall off the rolls or slide down to the deck.
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Question #697 (8 of 10)

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Which of the following is not true of Working Load Limit (WLL)?

  • The Working Load Limit is the maximum load that may be applied to a component of a cargo securement system.
  • The minimum WLL requirement for the securement system is 25%.
  • The WLL is usually assigned by the component manufacturer.
  • All of these are true.

The Working Load Limit is the maximum load that may be applied to a component of a cargo securement system during normal service.

The WLL is usually assigned by the component manufacturer.

Note: The minimum WLL requirement for the securement system is 50%. More tiedown capacity should be used if you need to secure an article against any movement.

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Question #681 (9 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 loss of load
  • Prevent damage to the cargo
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 #804 (10 of 10)

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What is a cab shield?

  • A structure, device, or another substantial article placed against or around an article to prevent horizontal movement of the article.
  • A vertical barrier across the front of the deck of a vehicle to prevent forward movement of cargo.
  • A vertical barrier placed directly behind the cab of a tractor to protect the cab in the event cargo should shift forward.
  • The depression formed between two cylindrical articles when they are laid with their eyes horizontal and parallel against each other.
The load carrying area of a truck, trailer, or intermodal container.
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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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