Physics · Mechanical Workshop Tools
7 मिमी व्यास वाले बॉडी वाले 100 मिमी के प्रिक पंच (prick punch) का 2.5 मिमी व्यास वाला पॉइंट किस कोण पर ग्राइंड किया जा सकता है?
- 130°✓
- 245°
- 390°
- 4120°
सही उत्तर देखें
30°
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