Review Questions - Click On The Picture To Begin...
It is accepted that friction mats provide a resistance to horizontal movement equal to:
- 20% of cargo weight.
- 50% of cargo weight.
- 100% of cargo weight.
- 10,000 lbs.
Quote From The CDL Manual:
Note: Friction mats provide a resistance to horizontal movement equal to 50% of the cargo weight that is resting on the mat.
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What is a rub rail?
- Part of the structure, fitting, or attachment on a vehicle or cargo to which a tiedown is attached.
- A structure, device, or another substantial article placed against or around an article to prevent horizontal movement of the article.
- A rail along the side of a vehicle that protects the side of the vehicle from impacts.
- The load carrying area of a truck, trailer, or intermodal container.
Quote From The CDL Manual:
Rub Rail:
A rail along the side of a vehicle that protects the side of the vehicle from impacts.
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By definition, what is a wedge?
- A tapered piece of material, thick at one end and thin at the other, used to help keep cargo from moving.
- A short piece of material, usually wood, nailed to the deck to reinforce blocking.
- A structure, device, or another substantial article placed against an article to prevent it from tipping that may also prevent it from shifting.
- A vertical barrier across a vehicle to prevent forward movement of cargo.
Quote From The CDL Manual:
Wedge:
A tapered piece of material, thick at one end and thin at the other, used to help keep cargo from moving.
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A friction mat is used to:
- receive a stake or peg, and may also be used as an anchor point.
- provide greater friction than exists naturally between these surfaces.
- prevent it from tipping that may also prevent it from shifting.
- Attach to a tiedown.
Quote From The CDL Manual:
Friction mat:
A device placed between the deck of a vehicle and car or between articles of cargo, intended to provide greater friction than exists naturally between these surfaces.
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What is the minimum WLL used to block forward movement of cargo weighing 36,500 lbs?
- 4,500 lbs
- 10,000 lbs
- 18,250 lbs
- 36,500 lbs
Quote From The CDL Manual:
The working load limit of all components used to block cargo from forward movement must be 50% (or more) of the weight of the article being blocked.
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In cargo securement, bracing is:
- A strip of material that may be used to unitize articles and is tensioned and clamped or crimped back upon itself. (same as "Strapping")
- A structure, device, or another substantial article placed against an article to prevent it from tipping that may also prevent it from shifting.
- A rail along the side of a vehicle that protects the side of the vehicle from impacts.
- A vertical barrier placed directly behind the cab of a tractor to protect the cab in the event cargo should shift forward.
Quote From The CDL Manual:
Bracing:
A structure, device, or another substantial article placed against an article to prevent it from tipping that may also prevent it from shifting.
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