A.In plane table survey of small extent, the accuracy of the plotted work can be increased by the use of a tachometer in which of the following method? (a) Radiation (b) Traversing (c) Intersection...

increased by the use of a tachometer in which of the following method?

(a) Radiation (b) Traversing

(c) Intersection (d) Resection

B. For survey of broken boundaries with a plane table most appropriate method will be

(a) open traversing (b) intersection

(c) radiation (d) resection.  Define a contour. State the various characteristics of contour lines.

C. Discuss in detail, the methods of direct and indirect contouring.

D. What are the various methods of interpolating contours? State the suitability of each

one of them.