| Contour lines close together indicate _____ slope. |
A) Steep
B) Gentle
C) Uniform
D) Undulated
| Which one of the following statement is incorrect ? |
A) The contour lines are closed curves
B) In steep slopes, the spacing of contours is small
C) Contour interval on a map can vary
D) Contour lines cross a ridge at right angles
| A contour line |
A) cannot split and continue in different directions
B) can split and continue in different directions
C) can split but continue in two directions only
D) can split but has to return to meet again
| A plane surface on a contour map is indicated by |
A) contour lines far apart from each other
B) contour lines closely placed with each other
C) series of straight, parallel, and equal spaced contour lines
D) mutually crossing contour lines
| Direct method of contouring is (i) the most accurate method (ii) suitable for hilly areas (iii) adopted for large surveys only |
A) Only (i)
B) (i) and (ii)
C) (ii) and (iii)
D) (i), (ii) and (iii)
| The method generally preferred to for contouring an undulating area, is |
A) chain surveying
B) plane table surveying
C) tacheometrical surveying
D) compass surveying
| The difference between contouring and levelling is that |
A) contouring focuses on distance measurements while levelling focuses on elevation
B) contouring is an angle measuring operation while levelling is for measuring heights
C) contouring focuses on finding points having a given elevation while levelling is to find the elevation of given points
D) contouring focuses on finding points having a given elevation while levelling is to find the elevation of points having same contour interval
| Two contour lines of different elevations unite to form one line only in the case of _____ |
A) Hills
B) Vertical cliff
C) Horizontal cliff
D) Overhanging cliff
| When the higher values are inside the loop, it indicates |
A) valley
B) pond
C) depression
D) hill
| Contour interval is |
A) the horizontal distance between the contours in a contour map
B) the difference in the elevation between the two successive contours
C) the distance between the points of a contour line whose elevations are to found
D) the distance between the level and a point selected for contouring
