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Doctors Medicines MCQs Q&A

  1. Large negative rake angle, low shear angle and high cutting speed
  2. Large positive rake angle, low shear angle and high cutting speed
  3. Large negative rake angle, high shear angle and low cutting speed
  4. Zero rake angle, high shear angle and high cutting speed
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1 Answers

Option 1 : Large negative rake angle, low shear angle and high cutting speed

Grinding is a high speed operation. In high speed operations, negative rake angles are preferred.
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Related Questions

In making decisions about important questions, it is desirable to be able to distinguish between ‘strong’ arguments and ‘weak’ arguments. ‘Strong’ arguments are those, which are both important and directly related to the question. ‘Weak’ arguments are those, which are of minor importance and also may not be directly related to the question or may be related to a trivial aspect of the question. The questions below if followed by two arguments numbered I and II. You have to decide which of the arguments a ‘strong’ argument is and which a ‘weak’ argument is. Statement: Is cutting down of forest trees affecting the environment Arguments: I. Yes, deforestation has a direct impact on the natural climate change, thereby increasing global temperature. II. No, because cutting trees is required as wood is utilized in a lot of industries. ?
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