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M

Mr. Dubey • 100.64K Points
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Q. The efficiency of a screw track is maximum when its helix angle '?' is equal to

  • (A) 45 - ?
  • (B) 45 - ?/2
  • (C) Increasing the diameter of threaded portion
  • (D) 45 + ?/2
  • Correct Answer - Option(B)
  • Views: 560
  • Filed under category Machine Design
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