General Studies · Machining and Machine Tools
एकल-खंड (one-piece) असेंबली के रूप में निर्मित हैंड रीमर्स के लिए आमतौर पर किस सामग्री का उपयोग किया जाता है?
- 1उच्च-कार्बन स्टील (High-carbon steel)
- 2हाई-स्पीड स्टील (High-speed steel)✓
- 3ढलवां लोहा (Cast iron)
- 4मृदु इस्पात (Mild steel)
सही उत्तर देखें
हाई-स्पीड स्टील (High-speed steel)
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