The mechanical advantage of a gear drive system is the ratio of the number of teeth of the driven gear divided by __________.

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Prepare for the MSSC Maintenance Awareness Test. Study with flashcards and multiple choice questions. Get ready for your exam with hints and detailed explanations!

Multiple Choice

The mechanical advantage of a gear drive system is the ratio of the number of teeth of the driven gear divided by __________.

Explanation:
The concept being tested is how gear tooth counts set the speed and torque relationship in a simple gear pair. In an ideal gear system, the mechanical advantage equals the ratio of the driven gear’s number of teeth to the driver gear’s number of teeth. That means the blank should be filled with the number of teeth on the driver gear. When the driven gear has more teeth, it rotates slower but develops more output torque, increasing the mechanical advantage. The diameter is related to tooth count but isn’t the direct divisor in this ratio, and the driver’s speed isn’t what defines the pure gear ratio.

The concept being tested is how gear tooth counts set the speed and torque relationship in a simple gear pair. In an ideal gear system, the mechanical advantage equals the ratio of the driven gear’s number of teeth to the driver gear’s number of teeth. That means the blank should be filled with the number of teeth on the driver gear. When the driven gear has more teeth, it rotates slower but develops more output torque, increasing the mechanical advantage. The diameter is related to tooth count but isn’t the direct divisor in this ratio, and the driver’s speed isn’t what defines the pure gear ratio.

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