CDL Practice Tests: Flatbed Cargo Securement

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Question #778 (1 of 10)

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To secure a cubic-shaped boulder, how many tiedowns are required, at minimum?

  • 5
  • 2
  • 1
  • 3

Special Circumstances: Securing a Cubic-Shaped Boulder

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

Secure each boulder individually with at least two chain tiedowns placed side-to-side across the vehicle.

Place tiedowns as closely as possible to the hardwood blocking used to support the boulder.

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Question #753 (2 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?

  • Forward
  • Straight up and down.
  • Rearward
  • It doesn't matter.
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 #702 (3 of 10)

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In what circumstance can shortwood be treated as longwood?

  • When it is painted green on the ends.
  • Right after it is cut down.
  • When it is embedded in a stack of longwood.
  • When it is stacked long-ways on the trailer.
What's in a stack?

Some stacks may be made up of both shortwood and longwood. Any stack that includes shortwood must follow the shortwood securement requirements.

Exception: If shortwood is embedded in load of longwood, it can be treated as longwood.

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Question #686 (4 of 10)

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

  • 50% forward, 20% rearward, 50% sideways, 20% upwards.
  • 50% forward, 50% rearward, 50% sideways, 80% upwards.
  • 80% forward, 50% rearward, 50% sideways, 20% upwards.
  • 80% forward, 50% rearward, 80% sideways, 20% 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 #775 (5 of 10)

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When using tiedowns to secure boulders, all of the following are requirements except:

  • Tiedowns should be located in valleys or notches across the top of the boulder.
  • Boulders must be loaded as far back towards the rear as possible.
  • Use only chain to secure large boulders.
  • Tiedowns must be arranged to prevent sliding across the rock surface.
Requirements

Use only chain to secure large boulders.

Tiedowns in direct contact with the boulder:

Should be located in valleys or notches across the top of the boulder

Must be arranged to prevent sliding across the rock surface.

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Question #691 (6 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?

  • 3
  • 2
  • 4
  • 1
  • 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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Question #784 (7 of 10)

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An anchor point is defined as:

  • The load carrying area of a truck, trailer, or intermodal container.
  • 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.

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 #692 (8 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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Question #683 (9 of 10)

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While driving, the freight must not:

  • Obscure the driver's view ahead, left, or right.
  • Prevent the exit of a person from the cab.
  • Interfere with the free movement of the driver's arms or legs.
  • All of these things should be avoided.
The cargo or any other object must not:
  • Obscure the driver's view ahead or to the right or left sides (except for drivers of self-steer dollies).
  • Interfere with the free movement of the driver's arms or legs.
  • Prevent the driver's free and ready access to accessories required for emergencies. OR
  • Prevent the free and ready exit of any person from the commercial motor vehicle's cab or driver's compartment.
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Question #711 (10 of 10)

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All of these are requirements for securing longwood lengthwise except:

  • Must be cradled in two or more bunks or contained by stakes.
  • Each end of the log should extend at least 3 inches beyond the stakes.
  • Each outside log should bear against at least two stakes, one near each end of the log.
  • Secure each log with at least two tiedowns if shorter logs are carried on top of the stack.
Requirements for securing longwood loaded lengthwise
  • Longwood must be cradled in two or more bunks or contained by stakes.
  • Each outside log should bear against at least two stakes, one near each end of the log.
  • Each end of the log should extend at least 0.15 m (6 in) beyond the stakes.
  • If shorter logs are carried on top of the stack, secure each log with at least two tiedowns.
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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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