

MCQOPTIONS
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1. |
During deburring and die sinking which of the following electrolyte gives high surface quality and accuracy? |
A. | NaNO<sub>3</sub> |
B. | HNO<sub>3</sub> |
C. | NaCl |
D. | All of the mentioned |
Answer» B. HNO<sub>3</sub> | |