When a Semi-Trailer Is Properly Coupled to a Highway Tractor,what

question 30

Multiple Choice

When a semi-trailer is properly coupled to a highway tractor,what trailer component transfers its weight to the tractor chassis?

• A) kingpin
• B) landing gear
• C) bolster plate
• D) fifth wheel plate

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Definitions:

Acceptable Name

A term often used in chemistry to refer to a standardized, recognized name for a substance or compound according to international naming conventions.

Compound

A chemical compound is a substance composed of two or more different elements that are chemically bonded together in a fixed ratio, distinguished by its chemical composition and properties.

Thiol Proton

The hydrogen atom attached to the sulfur atom in a thiol group, characterized by its ability to be acidic and participate in hydrogen bonding.

Acidity

A measure of the concentration of hydrogen ions in a solution, often associated with the degree to which a substance is able to donate a proton.