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| Q. |
What is used for measuring offsets, but it is often used by building surveyors or architects? |
| A. | plum bob |
| B. | butt rod |
| C. | pegs |
| D. | laths |
| Answer» B. butt rod | |
| Explanation: it generally consists of two laths, each of 1 yard or 1 m in length loosely tiered together. plumb bob is suspended at the center of the plane table to transfer the points on the plan to ground. | |
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