Heavy Duty Equipment Technician Red Seal Exam Prep · Question
An HDET is performing a battery load test on a 12V lead-acid battery for a construction loader. The battery has a CCA rating of 750 A. Following OEM and CCOHS guidelines, what is the MAXIMUM current the technician should apply during a 15-second load test?
For a standard 15-second battery load test, the load applied should be approximately half of the battery's CCA rating. So, for a 750 A CCA battery, the load sho
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Question: An HDET is performing a battery load test on a 12V lead-acid battery for a construction loader. The battery has a CCA rating of 750 A. Following OEM and CCOHS guidelines, what is the MAXIMUM current the technician should apply during a 15-second load test?
Answer options:
- 750 Amperes ✅ 375 Amperes
- 1500 Amperes
- 500 Amperes
Correct answer: 375 Amperes
Explanation: For a standard 15-second battery load test, the load applied should be approximately half of the battery's CCA rating. So, for a 750 A CCA battery, the load should be 750 A / 2 = 375 A. This helps to accurately assess the battery's health without causing damage.
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