CDL Practice Tests For Flatbed Cargo Securement Page 7

Flatbed Cargo Securement Practice Questions

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Good Luck!

To secure paper rolls with eyes horizontal against rearward movement, you can use which of the following except:
  • The vehicle wall.
  • Blocking.
  • Friction mats.
  • Other cargo.
Click here to look up the answer

From The CDL Manual

Direction of Potential Movement: Rearward

Methods to Prevent Movement:

  • Other cargo
  • Blocking
  • Fiction mats
  • Tiedowns
Next
Within the requirements for concrete pipe, which of these requires specific securement methods?
  • Concrete pipe loaded in a sided vehicle or container.
  • Concrete pipe loaded cross-wise on a flatbed trailer.
  • Concrete pipe that is grouped together into a single rigid article and may not roll.
  • Concrete pipe eyes vertical and concrete pipe loaded lengthwise.
Click here to look up the answer

From The CDL Manual

What is exempt from these specific requirements?

Follow general cargo securement requirements (Section 2) when transporting the following pipe:

  • Concrete pipe that is grouped together into a single rigid article and may not roll.
  • Concrete pipe loaded in a sided vehicle or container.
  • Concrete pipe eyes vertical and concrete pipe loaded lengthwise.
What is covered under these specific requirements?

Any concrete pipe loaded crosswise on a platform trailer or vehicle that is not exempt.

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Next
What is the minimum nominal dimension of timber blocking used to secure concrete pipe?
  • Half the diameter of the pipe
  • 4 x 6 in
  • 8 x 10 in
  • 2 x 4 in
Click here to look up the answer

From The CDL Manual

Blocking must be:

  • Placed against the pipe
  • Secured to prevent it from moving out from under the pipe.

Timber blocking must have a minimum nominal dimension of 10 x 15 cm (4 x 6 in).

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Next
What is the minimum aggregate WLL of all tiedowns in a group of concrete pipe?
  • It depends on the size of the pipe.
  • 80% of the total weight of all pipes in the group.
  • 5,000 lbs.
  • More than 50% of the total weight of all pipes in the group.
Click here to look up the answer

From The CDL Manual

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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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.
  • Bells of the bottom tier must all be on the same side of the vehicle
  • Stack the tiers in pyramid fashion.
Click here to look up the answer

From The CDL Manual

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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Next
When securing concrete pipe loaded crosswise, arrange the top tier:
  • As a partial tier in two groups.
  • As a complete tier.
  • As a partial tier in one group.
  • Any of these are acceptable.
Click here to look up the answer

From The CDL Manual

Requirements for arranging the top tier

Arrange the top tier as a complete tier, a partial tier in one group, or a partial tier in two groups.

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Next
When loading bell pipe on one tier, all of the following apply except:
  • If possible, the ends of consecutive pipe must be staggered within the allowable width.
  • If the ends cannot be staggered, they must be aligned.
  • Load bell pipe on one tier so that the bells alternate on opposite sides of the vehicle.
  • Load bell pipe on one tier so that the bells all lie on one side of the vehicle.
Click here to look up the answer

From The CDL Manual

One tier

Load bell pipe on one tier so that the bells alternate on opposite sides of the vehicle.

If possible, the ends of consecutive pipe must be staggered within the allowable width.

If the ends cannot be staggered, they must be aligned.

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Next
When securing concrete pipe up to 45 inches loaded crosswise, tiedowns through the pipe must be:
  • Straps.
  • Nylon rope.
  • Wire.
  • Chains
Click here to look up the answer

From The CDL Manual

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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Next
When securing concrete pipe with a diameter up to 45 inches loaded crosswise as a group, a crosswise tiedown should be used every how many feet?
  • 15
  • 10
  • 6
  • 3
Click here to look up the answer

From The CDL Manual

As a group

Place lengthwise tiedowns over the group of pipes:

Either one 13 mm (1/2 in) chain or wire rope,

Or two 10 mm (3/8 in) diameter chain or wire rope

Place one crosswise tiedown for every 3.0 m (10 ft) of load length.

Either attach the side-to-side tiedown through a pipe

Or pass the tiedown over both front-to-back tiedowns between two pipes on the top tier.

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Next
When securing concrete pipe with a diameter up to 45 inches loaded crosswise as a group,lengthwise tiedowns should be either one 1/2 in chain or wire rope, or:
  • One 3/8 inch chain or wire rope.
  • Two nylon straps with aggregate WLL of 50% the weight of the load.
  • Two 3/8 inch chains or wire ropes.
  • Two 1/4 inch chains or wire ropes.
Click here to look up the answer

From The CDL Manual

As a group

Place lengthwise tiedowns over the group of pipes:

Either one 13 mm (1/2 in) chain or wire rope,

Or two 10 mm (3/8 in) diameter chain or wire rope

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Finish
Please select an option
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