MCQs / Q&A

Select the correct statement_______________?

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Select the correct statement_______________?

A. A contour is not necessarily a closed curve
B. A contour represents a ridge line if the concave side of lower value con¬tour lies towards the higher value contour
C. Two contours of different elevations do not cross each other except in case of an overhanging cliff
D. All of the above statements are correct

Dumpy level is most suitable when______________?

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Dumpy level is most suitable when______________?

A. the instrument is to be shifted frequently
B. fly levelling is being done over long distance
C. many readings are to be taken from a single setting of the instrument
D. all of the above

Contour interval is_______________?

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Contour interval is_______________?

A. inversely proportional to the scale of the map
B. directly proportional to the flatness of ground
C. larger for accurate works
D. larger if the time available is more

The R.L, of the point A which is on the floor is 100 m and back sight reading on A is 2.455 m. If the foresight reading on the point B which is on the ceiling is 2.745 m, the R.L. of point B will be_______________?

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The R.L, of the point A which is on the floor is 100 m and back sight reading on A is 2.455 m. If the foresight reading on the point B which is on the ceiling is 2.745 m, the R.L. of point B will be_______________?

A. 94.80 m
B. 99.71 m
C. 100.29 m
D. 105.20 m