Machinability of hard alloys and tool steels is improved ...
Machinability of hard alloys and tool steels is improved by
spherodising
annealing
tempering
normalising
Correct answer is B
No explanation has been provided for this answer.
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The softness or hardness of a grinding wheel depends upon the type & amount of bonding material ...
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Auto collimator is used to check ...
A solar cell converts the sunlight directly into __________ energy. ...
Maximum permissible air velocity in pipelines is about __________ metre/second. ...