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- Question
In reciprocal levelling, the error which is not completely eliminated, is due to
Options- A. earth's curvature
- B. non-adjustment of line of collimation
- C. refraction
- D. non-adjustment of the bubble tube.
- Correct Answer
- refraction
- 1. Simpson's rule for calculating areas states that the area enclosed by a curvilinear figure divided into an even number of strips of equal width, is equal to
Options- A. half the width of a strip, multiplied by the sum of two extreme offsets, twice the sum of remaining odd offsets, and thrice the sum of the even offsets
- B. one third the width of a strip, multiplied by the sum of two extreme offsets, twice the sum of remaining odd offsets and four times the sum of the even offsets
- C. one third the width of a strip, multiplied by the sum of two extreme offsets, four times the sum of the remaining odd offsets, and twice the sum of the even offsets
- D. one sixth the width of a strip, multiplied by the sum of the two extreme offsets, twice the sum of remaining odd offsets and four times the sum of the even offsets
- E. none of these Discuss
- 2. A theodolite is said to be in perfect adjustment if
Options- A. rotation axis is vertical to the transit axis
- B. transit axis is perpendicular to line of collimation
- C. line of collimation sweeps out a vertical plane while the telescope is elevated or depressed
- D. all the above. Discuss
- 3. The 'point of curve' of a simple circular curve, is
Options- A. point of tangency
- B. point of commencement
- C. point of intersection
- D. mid-point of the curve Discuss
- 4. Which one of the following procedures for getting accurate orientation is the most distinctive feature of the art of plane tabling
Options- A. radiation
- B. intersection
- C. traversing
- D. resection. Discuss
- 5. A clinometer is used for
Options- A. measuring angle of slope
- B. correcting line of collimation
- C. setting out right angles
- D. defining natural features. Discuss
- 6. If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as
Options- A. direct vernier
- B. double vernier
- C. retrograde vernier
- D. simple vernier. Discuss
- 7. In tacheometrical observations, vertical staff holding is generally preferred to normal staffing, due to
Options- A. ease of reduction of observations
- B. facility of holding
- C. minimum effect of careless holding on the result
- D. none of these. Discuss
- 8. Pick up the correct statement from the following :
Options- A. If the slope of the curve of a mass diagram in the direction of increasing abscissa is downward, it indicates an embankment
- B. The vertical distance between a maximum ordinate and the next forward maximum ordinate represents the whole volume of the embankment
- C. The vertical distance between a minimum ordinate and the next forward maximum ordinate represents the whole volume of a cutting
- D. The area enclosed by a loop of the curve and balancing line, measures the haul in that direction.
- E. all the above. Discuss
- 9. Imaginary line passing through points having equal magnetic declination is termed as
Options- A. isogon
- B. agonic line
- C. isoclinic line
- D. none of these. Discuss
- 10. Pick up the correct statement from the following :
Options- A. A level surface is perpendicular at all points to the direction of gravity
- B. A level line lies in level surface
- C. A horizontal surface is normal to the direction of gravity at only one point
- D. A horizontal line is tangential to the level surface
- E. All the above. Discuss
Surveying problems
Search Results
Correct Answer: one third the width of a strip, multiplied by the sum of two extreme offsets, twice the sum of remaining odd offsets and four times the sum of the even offsets
Correct Answer: all the above.
Correct Answer: point of commencement
Correct Answer: resection.
Correct Answer: measuring angle of slope
Correct Answer: retrograde vernier
Correct Answer: minimum effect of careless holding on the result
Correct Answer: all the above.
Correct Answer: isogon
Correct Answer: All the above.
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