Science, asked by pandaykoushlendra, 8 months ago

Q.47. बोल रिंग (ball bearings) के लिए स्टील बॉल (Steel balls) सामान्यत काबन क्रोम स्टील (carbon
chrone steel) से दनते है और वे लगभग
VPN के मान तक कठारीकरण (hardened) से
कठोर होने है.
(A) 100?150 (B) 250? 300 (C) 400?500 (D) 7007800

Answers

Answered by ruksanabanu087

Answer:

cvvxxc vvvx cvvvxvxvcvcvcvcvcvcxvczhzhzhhs

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