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1. |
Let angular value of one graduation of a tube of length x be seconds and R be the radius of its internal curved surface, then |
A. | <img src="/_files/images/civil-engineering/surveying/54-3.68-1.png"> |
B. | <img src="/_files/images/civil-engineering/surveying/54-3.68-2.png"> |
C. | <img src="/_files/images/civil-engineering/surveying/54-3.68-3.png"> |
D. | <img src="/_files/images/civil-engineering/surveying/54-3.68-4.png"> |
E. | . |
Answer» B. <img src="/_files/images/civil-engineering/surveying/54-3.68-2.png"> | |