Plumb bob is used ______________.

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OSSC JE Civil Mains (Re-Exam) Official Paper: (Held On: 3rd Sept 2023)
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  1. To measure angles
  2. To measure distances
  3. To determine vertical alignment
  4. To determine horizontal alignment

Answer (Detailed Solution Below)

Option 3 : To determine vertical alignment
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Plumb Bob Usage:

  • A plumb bob is a simple tool consisting of a pointed weight attached to a string. It is used primarily to determine the vertical alignment of structures or objects. By allowing the weight to hang freely, it indicates a true vertical line, helping in tasks that require precise vertical positioning, such as in construction or surveying.

Solution:

The correct choice is: Option 3) To determine vertical alignment ```

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