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GATE Mechanical 2024 | Question: 20

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​​​​The grinding wheel used to provide the best surface finish is

  1. $\mathrm{A} 36 \mathrm{~L} 5 \mathrm{~V}$
  2. $\mathrm{A} 54 \mathrm{~L} 5 \mathrm{~V}$
  3. $\mathrm{A} 60 \mathrm{~L} 5 \mathrm{~V}$
  4. $\mathrm{A} 80 \mathrm{~L} 5 \mathrm{~V}$
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