1. The process of tracing of contour lines on the surface of earth is called:
(A) Levelling
(B) Surveying
(C) Contouring
(D) Tachometry
2. An imaginary line passing through points of equal elevation is called:
(A) Contour line
(B) Vertical line
(C) Horizontal line
(D) Datum line
3. The boundary line of still water in a lake indicates:
(A) Water line
(B) Contour line
(C) Horizontal surface
(D) Datum line
4. The vertical distance between any two consecutive contours is called:
(A) Contour interval
(B) Peg interval
(C) Reduced level
(D) Horizontal equivalent
5. The horizontal distance between two consecutive contours is called:
(A) Contour interval
(B) Peg interval
(C) Reduced level
(D) Horizontal equivalent
6. The contour interval for a particular map is:
(A) Kept constant
(B) Made variable
(C) Made irregular
(D) Kept limited
7. Contour interval in flat contour ground is taken in case of large scale:
(A) 1 to 2 m
(B) 0.2 to 0.5 m
(C) 1 to 1.5 m
(D) 0.1 to 1.0 m
8. Contour interval for building sites is taken as:
(A) 0.2 to 0.5 m
(B) 0.5 to 1 m
(C) 3 to 5 m
(D) 5 to 10 m
9. A map showing contour lines is known as:
(A) Index map
(B) Contour map
(C) Topographic map
(D) Relief map
10. Contour lines cross ridge lines at:
(A) Acute angle
(B) Obtuse angle
(C) Negative angle
(D) Right angle
11. Close contour lines on a contour map represent:
(A) Uniform slope
(B) Steep ground
(C) Flat ground
(D) Cliff
12. When lower values of contours are inside the loop, it indicates a:
(A) Level ground
(B) High ground
(C) Depression
(D) Sloping ground
13. When higher values of contours are inside the loop, it indicates a:
(A) Pond
(B) Sloping ground
(C) Flat ground
(D) Hill
14. When contours of different elevation cross each other, it indicates a/an:
(A) Vertical cliff
(B) Steep slope
(C) Saddle
(D) Overhanging cliff
15. Direct method of contouring is:
(A) Economical
(B) Durable
(C) Fast
(D) Accurate
16. V-shape contours cross a:
(A) Ridge line
(B) Pond
(C) Saddle
(D) Valley line
17. U-shape contours indicate the presence of:
(A) Ridge
(B) Saddle
(C) Valley
(D) Upstream slope
18. Accurate but slow method of contouring is:
(A) Square method
(B) Indirect method
(C) Tachometric method
(D) Direct method
19. A line passing through the saddles and summits gives:
(A) Boundary line
(B) Centre line
(C) Watershed line
(D) Contour line
20. Contour interval is inversely proportional to:
(A) Time of survey
(B) All of these
(C) Funds available for survey
(D) Scale of map