📊 Machine Design
Q. Which of the following statement is false?
  • (A) Ball and roller bearings are anti-friction bearings
  • (B) The sleeve of a muff coupling is designed as a solid shaft
  • (C) In designing gear, the tooth is considered as a cantilever subjected to an end load
  • (D) Buttress threads are used to transmit power in one direction only
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✅ Correct Answer: (B) The sleeve of a muff coupling is designed as a solid shaft

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