Which Type of Fifth Wheel Is Most Commonly Used on Linehaul

question 21

Multiple Choice

Which type of fifth wheel is most commonly used on linehaul highway tractors?

• A) compensating fifth wheels
• B) semi-oscillating fifth wheels
• C) fully-oscillating fifth wheels
• D) elevating fifth wheels

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Definitions:

Volcanic Breccia

A type of rock composed of large volcanic fragments, often formed during explosive volcanic eruptions.

Pyroclastic Flow

A fast-moving current of hot gas and volcanic materials (such as ash and lava fragments) that flows along the ground after an eruption, capable of causing destruction.

Flow-Banded Obsidian

A type of obsidian characterized by the alignment of mineral grains or layers along the flow direction of the lava.

Viscous Lava

Lava that has a high silica content resulting in a thick, slow-flowing consistency.