Driver Knowledge Tests

What are exhaust brakes on a truck?

Diesel engines have no throttle butterfly in the intake, so a full charge of air is always drawn into the cylinder, regardless of the throttle setting. Each time the air is compressed in a cylinder virtually 100% of that energy

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How to maintain heavy vehicle ratchet straps

Ratchet straps are quicker and easier to use than chains or ropes and provide a wide surface area of contact with the items they are restraining. They can be easily packed away, and they are not heavy to carry. They

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What’s an auxiliary engine on a truck?

An auxiliary engine is usually a small engine, tucked away under the chassis which powers auxiliary equipment on the truck or trailer. This could be a hydraulic pump for a swing-lift trailer, an air compressor on a tyre service truck,

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What is a cardan shaft park brake and why is it bad?

A cardan shaft park brake is a type of park brake fitted to some small, medium and heavy trucks (although, mostly small trucks). Some telehandlers and other commercial vehicles have them. You can usually recognise them by their handle which

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When can you legally be towed away?

The scenarios where you could be towed away are: If you park your car in the wrong place (e.g. on private property, or illegally on the road) If you are stopped by police and found to be driving without a

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Transport company myths that refuse to die

Like every other industry, the transportation sector is susceptible to all sorts of myths, misconceptions, urban legends, and misinformation. Some have been around for decades and seemingly refuse to die. Others make appearances every few years and are easily dispelled.

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Why is car maintenance one of the keys to safety on the road?

Maintaining your car is one of the most important things you can do to improve your safety while driving. Not only does it keep your car running smoothly, but it also helps to prevent costly repairs and dangerous failures down

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