If an article develops insufficient hardening after quenching, the defect can be corrected by

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Mr. Dubey

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📊 Metallurgy

Q. If an article develops insufficient hardening after quenching, the defect can be corrected by

(A) removing scale from surface
(B) Die casting method
(C) Lost wax method
(D) Shell moulding method

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✅ Correct Answer: (A) removing scale from surface

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