CAAS SAR-66 Module 6 Materials & Hardware Practice Questions - CAAS SAR-66 Basic Knowledge Examination - Module 6 Materials & Hardware Exam

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Under the SAE steel numbering system, what are the primary alloying elements and nominal carbon content of SAE 4130 steel?

Chromium and molybdenum with 0.30% carbon Nickel and chromium with 0.40% carbon Manganese and silicon with 0.13% carbon Vanadium and tungsten with 3.00% carbon

Correct Answer:

Chromium and molybdenum with 0.30% carbon

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