When welding thick sections using GMAW, spray transfer is preferred. Which of the following best describes the key metallurgical advantage of spray transfer for such applications?

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Multiple choice — select the best answer

AVariable arc stability leading to pore formation
BHigh deposition rates and a uniform bead due to rapid droplet transfer
CReduced heat input and lower deposition rates
DIntermittent arc ignition with increased spatter

✓ Correct answer: B. High deposition rates and a uniform bead due to rapid droplet transfer Spray transfer mode provides high deposition rates and consistent bead appearance, leading to improved weld quality on thick sections.

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When welding thick sections using GMAW, spray transfer is preferred. Which of the following best describes the key metallurgical advantage of spray transfer for such applications?

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