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- Question
The ratio of the angles subtended at the eye, by the virtual image and the object, is known as telescope's
Options- A. resolving power
- B. brightness
- C. field of view
- D. magnification.
- Correct Answer
- magnification.
- 1. In a constant level tube, size of the bubble remains constant because upper wall is
Options- A. of relatively larger radius
- B. of relatively smaller radius
- C. flat
- D. convex downwards. Discuss
- 2. Which one of the following mistakes/errors may be cumulative + or - :
Options- A. bad ranging
- B. bad straightening
- C. erroneous length of chain
- D. sag. Discuss
- 3. While rotating the theodolite in the horizontal plane, the bubble of the bubble tube takes up the same position in its tube, it indicates
Options- A. the rotation axis is vertical
- B. the trummion axis is horizontal
- C. the line of collimation is perpendicular to vertical axis
- D. none of the above Discuss
- 4. While measuring a chain line between two stations A and B intervened by a raised ground
Options- A. vision gets obstructed
- B. chaining gets obstructed
- C. both vision and chaining get obstructed
- D. all the above. Discuss
- 5. The orthographical projection of a traverse leg upon the reference meridian, is known as
Options- A. departure of leg
- B. latitude to the leg
- C. co-ordinate of the leg
- D. bearing of the leg. Discuss
- 6. Prismatic compass is considered more accurate than a surveyor's compass, because
Options- A. it is provided with a better magnetic needle
- B. it is provided with a sliding glass in the object vane
- C. its graduations are in whole circle bearings
- D. it is provided with a prism to facilitate reading of its graduated circle
- E. both (c) and (d). Discuss
- 7. The direction of steepest slope on a contour, is
Options- A. along the contour
- B. at an angle of 45° to the contour
- C. at right angles to the contour
- D. none of these. Discuss
- 8. The bubble tube is nearly filled with
Options- A. alcohol or chloroform
- B. a liquid which is very mobile
- C. a liquid having low freezing point
- D. all the above. Discuss
- 9. The true meridian of a place is the line in which earth's surface is intersected by a plane through
Options- A. east and west points
- B. zenith and nadir points
- C. north and south geographical poles
- D. north and south magnetic poles. Discuss
- 10. Pick up the correct statement from the following :
Options- A. in the earth's magnetic field, a magnetic needle rests in magnetic meridian
- B. the angle between the true meridian and the magnetic meridian is called magnetic variation
- C. one end of the magnetic needle supported at its centre of gravity tends to dip down towards the. nearer magnetic pole of the earth
- D. the magnet properly pivoted is balanced by means of riding weight movable along the needle
- E. all the above. Discuss
Surveying problems
Search Results
Correct Answer: of relatively larger radius
Correct Answer: erroneous length of chain
Correct Answer: the rotation axis is vertical
Correct Answer: vision gets obstructed
Correct Answer: latitude to the leg
Correct Answer: it is provided with a prism to facilitate reading of its graduated circle
Correct Answer: at right angles to the contour
Correct Answer: all the above.
Correct Answer: north and south geographical poles
Correct Answer: all the above.
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