Surveying 9
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1) Question.
The suitable contour interval for a map with scale 1:10000 is
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2) Question.
An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as
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3) Question.
Dumpy level is most suitable when
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4) Question.
The distance to the visible horizon from a height of 36m above mean sea level is given by
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5) Question.
Which of the following statements are incorrect?
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6) Question.
Sensitiveness of a level tube is designed by
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7) Question.
If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth os proportional to
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8) Question.
While doing levelling in undulating terrain, it is preferable to set the level on
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9) Question.
A level was set up at point A and distance to the staff station B was 100m. The net combined correction due to curvature and refraction as applied to the staff reading is
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10) Question.
The following consecutive readings were taken with a dumpy level and a 3m staff on a continuously sloping ground.
0.425, 1.035, 1.950, 2.360, 2.950, 0.750, 1.565, 2.450, 0.320, 1.025, 2.165, 2.955
Which of the following readings are backsight?
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