General Studies · Non-Destructive Testing
कंडीशन मॉनिटरिंग में, डाई पेनेट्रेंट टेस्टिंग का उपयोग मुख्य रूप से क्या पता लगाने के लिए किया जाता है?
- 1चुंबकीय गुण
- 2सामग्री की मोटाई
- 3केवल उप-सतही (subsurface) दरारें
- 4सतह की दरारें और सरंध्रता (porosity)✓
सही उत्तर देखें
सतह की दरारें और सरंध्रता (porosity)
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