Q. What Elisha Otis invented?

  • (A) The brake used in modern elevators
  • (B) Hydraulic Crane
  • (C) Turbine
  • (D) Jet Engine
✅ Correct Answer: (A) The brake used in modern elevators

Published by Ram Sharma ⭐ 193.88K Points at 17-Jan-2022 12:46 pm in General Awareness

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