405 - SURVEYING - II (C) (2008 Scheme) Time : 3 Hours Max. Marks : 100 Answer all questions. I. (a) What is strength of figure in triangulation? (d) The angles $A$ and $B$ were recorded as follows $\mathrm{A}=30^{\circ} 12^{\prime} 28^{\prime \prime} .2$ $B=35^{\circ} 48^{\prime} 12^{\prime \prime} .6$ $A+B=66^{\circ} 0^{\prime} 44^{\prime \prime} .4$ Determine the most probable values of $A$ and $B$. III. (a) What is meant by reverse curve and where is it generally used?

Explanation

Reverse curves are used to provide a smooth and safe transition between straight sections of road, and are an important component of road design.


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