Which of the Following Single Axle Weight Specifications Would Represent

question 21

Multiple Choice

Which of the following single axle weight specifications would represent the highest rating for a highway semi-trailer in most jurisdictions?

• A) 17,000 pounds (7,700 kg)
• B) 19,000 pounds (8,600 kg)
• C) 34,000 pounds (15,400 kg)
• D) 50,000 pounds (22,700 kg)

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Definitions:

Papillary Muscles

Muscle projections from the ventricular walls of the heart that attach to the chordae tendineae and prevent inversion of the valves during contraction.

Atria Contraction

The process during the cardiac cycle where the atria chambers of the heart contract to move blood into the ventricles.

Pulse Pressure

The difference between systolic and diastolic blood pressure, indicating the force that the heart generates each time it contracts.

Ejection Phase

This is the part of the cardiac cycle during which the ventricles contract and pump blood out into the arteries.