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  • Question
  • 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.

  • Correct Answer
  • of relatively larger radius 


  • Surveying problems


    Search Results


    • 1. 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
    • 2. 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
    • 3. 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
    • 4. 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
    • 5. If a tacheometer is fitted with an anal-latic lens

    • Options
    • A. additive constant is 100, multiplying constant is zero
    • B. multiplying constant is 100, additive constant is zero
    • C. both multiplying and additive constants are 100
    • D. both multiplying and additive constants are 50.
    • Discuss
    • 6. 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.
    • Discuss
    • 7. 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
    • 8. 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
    • 9. 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
    • 10. 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


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