Surveyivng Practice | Set -2 | Contour

1. A hill that has concentric contour lines with a decreasing spacing towards the center of the hill is said to be:

a. pyramidal
d. domed
b. circular
c. conical

2. The contour lines on a map of a ridge form a V-shaped pattern pointing downhill. This indicates that:

a. the ridge is symmetrical
b. the ridge is asymmetrical
d. the ridge has a dip slope on one side
c. the ridge has a gentle slope on both sides

3. The vertical interval between two consecutive contour lines on a map is 10 m. The slope gradient is 20%. What is the horizontal distance between the two contour lines?

a. 110 m
b. 35 m
d. 25 m
c. 50 m

4. Measurement of difference in elevation between points is called_

a. Clinometers
b. Telemeter
d. Price Meter
c. Sounding Rod

5. A contour represent closely spaced lines, called_

d. Steep Slope
a. A River
b. A forest
c. Mild slope

6. Contour lines cross each other for_

a. Vertical cliff
d. Overhanging cliff
b. valley line
c. Ridge line

7. Contour line is a_

a. Open line
d. closed line
b. Closed for hills only
c. may close or open

8. To prepare a contour map for a hilly area is most suitable is _

a. Square method
b. direct method
d. Tachometric method
c. compass method

9. The alignment of a highway along _

a. valley line
b. contour line
d. ridge line
c. no where related to contour

10. The counter interval is inversely proportional to _

a. ridge line
b. Steepness of the ground
d. scale of map
c. valley line

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