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- Question
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.
- Correct Answer
- All the above.
- 1. 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
- 2. 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
- 3. 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
- 4. 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
- 5. 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. Discuss
- 6. Volume of the earth work may be calculated by
Options- A. mean areas
- B. end areas
- C. Prismoidal formula
- D. Trapezoidal
- E. all the above. Discuss
- 7. In an internal focusing telescope
Options- A. the objective is at a fixed distance from the diaphragm
- B. the focusing is done by the sliding of a divergent lens.
- C. the focusing divergent lens is situated at about the middle of the tube
- D. all the above. Discuss
- 8. The 'fix' of a plane table from three known points, is good, if
Options- A. middle station is nearest
- B. middle station is farthest
- C. either the right or left station is nearest
- D. none of these. Discuss
- 9. Ramsden eye-piece consists of
Options- A. two convex lenses short distance apart
- B. two concave lenses short distance apart
- C. one convex lens and one concave lens short distance apart
- D. two plano-convex lenses short distance apart, with the convex surfaces facing each other. Discuss
- 10. Removal of parallax, may be achieved by focussing
Options- A. the objective
- B. the eye-piece
- C. the objective and the eye-piece
- D. none of these. Discuss
Surveying problems
Search Results
Correct Answer: isogon
Correct Answer: all the above.
Correct Answer: minimum effect of careless holding on the result
Correct Answer: retrograde vernier
Correct Answer: refraction
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: middle station is nearest
Correct Answer: two plano-convex lenses short distance apart, with the convex surfaces facing each other.
Correct Answer: the objective and the eye-piece
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