Closed contours, with higher value inwards, represent a_______________?
Closed contours, with higher value inwards, represent a_______________? A. depressionB. hillock C. plain surface D. none of the above
Closed contours, with higher value inwards, represent a_______________? A. depressionB. hillock C. plain surface D. none of the above
Direct method of contouring is_________________? A. a quick method B. adopted for large surveys onlyC. most accurate method D. suitable for hilly terrains
Which of the following methods of con-touring is most suitable for a hilly terrain ? A. direct method B. square method C. cross-sections methodD. tacheometric method
In direct method of contouring, the process of locating or identifying points lying on a contour is called_______________? A. ranging B. centring C. horizontal controlD. vertical control
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 contourC. Two contours of different elevations do…
An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as__________________? A. contour line B. horizontal equivalent C. contour intervalD. contour gradient
The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be_______________? A. equidistant from A and B B. closer to the higher station C. closer to the lower station…
Sensitiveness of a level tube is designated by______________? A. radius of level tube B. length of level tube C. length of bubble of level tube D. none of the above
Dumpy level is most suitable when______________? A. the instrument is to be shifted frequently B. fly levelling is being done over long distanceC. many readings are to be taken from a single setting of the instrument D. all of the…
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