AG Mechanics CDE Practice Exam

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Prepare effectively for the AG Mechanics CDE exam with our engaging quiz. Featuring multiple-choice questions and detailed explanations, you can increase your knowledge of agricultural mechanics and develop the skills necessary for success in the competition.

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A 20% duty cycle welder should weld only how many minutes out of every hour at full capacity?

10 minutes
20 minutes
12 minutes
15 minutes

The correct answer is: 10 minutes

A 20% duty cycle welder means that it can operate at full capacity for 20% of the time and needs to cool down for the remaining 80% of the time to prevent overheating. To calculate how many minutes out of every hour the welder should be operating at full capacity, we simply need to find 20% of 60 minutes (since there are 60 minutes in an hour). 20% of 60 minutes = 0.20 x 60 = 12 minutes Therefore, the welder should weld only 12 minutes out of every hour at full capacity. Option C (12 minutes) is the correct answer as it represents the correct calculation for the welder's duty cycle.