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- Question
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.
- Correct Answer
- all the above.
- 1. 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
- 2. 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
- 3. 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
- 4. 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
- 5. 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
- 6. 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
- 7. 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
- 8. 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
- 9. The slope correction may be ignored if
Options- A. the slope of the ground is less than 3°
- B. to slope of the ground is say 1 in 19
- C. both (a) and (b)
- D. neither (a) nor (b) Discuss
- 10. The main plate of a transit is divided into 1080 equal divisions. 60 divisions of the vernier coincide exactly with 59 divisions of the main plate. The transit can read angles accurate upto
Options- A. 5"
- B. 10"
- C. 15"
- D. 20"
- E. 30" Discuss
Surveying problems
Search Results
Correct Answer: all the above.
Correct Answer: All the above.
Correct Answer: isogon
Correct Answer: all the above.
Correct Answer: minimum effect of careless holding on the result
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
Correct Answer: both (a) and (b)
Correct Answer: 20"
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