In the same example, which of the following expresses the ratio of driven to driver teeth?

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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

In the same example, which of the following expresses the ratio of driven to driver teeth?

Explanation:
Think of the ratio as “how many driven teeth there are for each driver tooth.” If the driven gear has three times as many teeth as the driver, the ratio is 3 to 1, which is simply written as 3. This directly shows driven:driver in its simplest form. The other expressions either invert the relationship (1/3 is driver-to-driven) or present the same value with larger numbers (72/24) instead of the clean, smallest-form 3. So the best way to express the driven-to-driver teeth is 3.

Think of the ratio as “how many driven teeth there are for each driver tooth.” If the driven gear has three times as many teeth as the driver, the ratio is 3 to 1, which is simply written as 3. This directly shows driven:driver in its simplest form. The other expressions either invert the relationship (1/3 is driver-to-driven) or present the same value with larger numbers (72/24) instead of the clean, smallest-form 3. So the best way to express the driven-to-driver teeth is 3.

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