General Studies · Heat Treatment
वह प्रक्रिया जिसमें किसी बाहरी स्रोत से कार्बन को उच्च तापमान पर चारकोल के संपर्क में रखकर कम-कार्बन वाले स्टील की सतह में प्रवेश कराया जाता है, ________ कहलाती है।
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1क्वेंचिंग (quenching)
- 2केस हार्डनिंग (case hardening)✓
- 3टेम्पियरिंग (tempering)
- 4नाइट्राइडिंग (nitriding)
सही उत्तर देखें
केस हार्डनिंग (case hardening)
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