1.

Consider the following processes for the manufacture of gears: 1. Casting 2. Powder metallurgy 3. Machining from bar stock 4. Closed die forging The correct sequence in increasing order of bending strength of gear teeth is:                         

A. 1, 2, 3, 4                      
B. 1, 2, 4, 3           
C. 2, 1, 4, 3                      
D. 2, 1, 3, 4
Answer» E.


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