Survey Engineering MCQ With Explanations

401. When contour lines are widely spaced on a topographic map, it indicates:

a) Gentle slope
b) Steep slope
c) Flat terrain
d) No change in elevation

402. Contour lines that are closely spaced and form concentric circles on a topographic map represent:

a) Mountain peak
b) Hillside
c) Crater or sinkhole
d) River or stream

403. The contour interval of a topographic map is the:

a) Distance between two contour lines
b) Distance between two points on the map
c) Distance between two benchmarks
d) Distance between the map and the ground

404. Contour lines that cross each other at right angles on a topographic map represent:

a) Ridge
b) Valley
c) Cliff
d) Plateau

405. The contour line that represents the lowest elevation on a topographic map is called:

a) Benchmark
b) Contour interval
c) Datum
d) Index contour

406. What does a “V” or “U” shaped contour line indicate on a topographic map?

a) Cliff or steep slope
b) Ridge or hill
c) Valley or depression
d) Flat terrain

407. Contour lines that form closed loops on a topographic map represent:

a) Hills
b) Valleys
c) Depressions
d) Plateaus

408. In contouring, the process of connecting contour lines of the same elevation is called:

a) Contour mapping
b) Contouring interpolation
c) Contour line smoothing
d) Contour line generation

409. The purpose of contour intervals on a topographic map is to:

a) Determine the scale of the map
b) Provide information about the coordinate system
c) Show the elevation difference between contour lines
d) Indicate the magnetic declination

410. The contour pattern that represents a steep slope or cliff on a topographic map is:

a) Closely spaced contour lines
b) Widely spaced contour lines
c) Concentric circles
d) Straight, parallel contour lines