Surveyivng Practice | Set -1 | Contour

1. Contour interval for a contour map can_

a. may vary sometimes
b. always vary
d. Not vary
c. Contour interval is no where related to contour map

2. For a contour map_ P) Water level at a lake is consider as a contour line, Q) Contour line cross a ridge line at right angle, R) Contour interval for contour map may vary , S) For a steep slopes, the spacing of contour line is small

a. P- correct, Q- correct, R- correct, S- correct
b. P- incorrect, Q- correct, R- incorrect, S- correct
d. P- correct, Q- correct, R- incorrect, S- correct
c. P- correct, Q- correct, R- correct, S- incorrect

3. Vertical measurement between two contour line_

a. Contour gradient
b. Contour Equivalent
d. Contour Interval
c. Vertical Equivalent

4. For a vertical cliff_

d. Contour line overlap each other
a. Contour line cross each other
b. Contour line cannot be drawn
c. Contour different line drawn side by side

5. What is the angle of intersection of contour line with ridge line_

d. 90 degree
a. 45 degree
b. 180 degree
c. 30 degree

6. Inclined flat surface shows a contour line as_

a. curved and widely spaced
d. straight parallel and widely spaced
b. parallel and closely spaced
c. Straight parallel and closely spaced

7. Scale of map is _

a. directly proportional to Contour Interval
b. No relation with Contour Interval
d. Indirectly proportional to Contour Interval
c. 150 time of Counter interval

8. Which of the following is true about contour lines on a map?

a. They represent the distance between two points
b. They represent the direction of flow of a river
d. They join points of equal elevation
c. They represent the orientation of a slope

9. On a contour map, the distance between two contour lines is known as the:

a. contour spacing
d. Horizontal equivalent
b. contour index
c. contour interval

10. If two contour lines on a map are 50 meters apart and the contour interval is 10 meters, what is the slope gradient between the two contour lines?

a. 5%
d. 20%
b. 10%
c. 15%

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