• ( 1 ) The theodolites used for making tacheometric observations by optical wedge system, are

    • 1) fitted with a glass wedge in front of telescope.
    • 2) not provided with stadia hairs at all
    • 3) fitted with a glass wedge inside the telescope
    • 4) provided with stadia hairs in front of eye piece
    • Discussion in forum
      Answer : 1) fitted with a glass wedge in front of telescope.
      Solution : The theodolites used for making tacheometric observations by optical wedge system, are fitted with a glass wedge in front of telescope.








      discussion


      Answer : 1) fitted with a glass wedge in front of telescope.

    • ( 2 ) The constant vertical distance between two adjacent contours, is called

    • 1) horizontal interval
    • 2) horizontal equivalent
    • 3) contour interval
    • 4) vertical equivalent
    • Discussion in forum
      Answer : 3) contour interval
      Solution : The constant vertical distance between two adjacent contours, is called contour interval








      discussion


      Answer : 3) contour interval

    • ( 3 ) Pick up the incorrect statement from the following :

    • 1) a 100 m tape of cross section 10 mm x 0.25 mm stretches about 10 mm under 5 kg pull.
    • 2) while measuring a distance with a tape of length 100.005 m, the distance to be increasing by 0.005 m for each tape length
    • 3) an increase in temperature causes a tape to increase in length and the measured distance is too large
    • 4) the straight distance between end points of a suspended tape is reduced by an amount called the sag correction
    • Discussion in forum
      Answer : 3) an increase in temperature causes a tape to increase in length and the measured distance is too large
      Solution : an increase in temperature causes a tape to increase in length and the measured distance is too large








      discussion


      Answer : 3) an increase in temperature causes a tape to increase in length and the measured distance is too large

    • ( 4 ) The method generally preferred to for contouring an undulating area, is

    • 1) chain surveying
    • 2) plane table surveying
    • 3) tacheometrical surveying
    • 4) compass surveying.
    • Discussion in forum
      Answer : 3) tacheometrical surveying
      Solution : Chain survieng is used for small area. And plane table is used for plain area.








      discussion


      Answer : 3) tacheometrical surveying

    • ( 5 ) Pick up the correct statement from the following :

    • 1) In surveys of large extent, the effect of curvature of the earth must be considered
    • 2) In surveys of small extent, the effect of curvature may b
    • 3) The directions of plumb lines suspended at different points in a survey are not strictly parallel
    • 4) all
    • Discussion in forum
      Answer : 4) all
      Solution :








      discussion


      Answer : 4) all

    • ( 6 ) If the declination of the needle is 10° W

    • 1) in the quadrantal method, the corrections is negative in 2nd and 4th quadrants
    • 2) all
    • 3) each of the whole circle reckoning has to be micros by 10°
    • 4) in the quadrantal method, the correction is positive in the 1st and 3rd quadrants
    • Discussion in forum
      Answer : 2) all
      Solution : If the declination of the needle is 10° W








      discussion


      Answer : 2) all

    • ( 7 ) The chaining on sloping ground is

    • 1) easier along the falling gradient
    • 2) easier along the up gradient
    • 3) equally convenient along falling as well as up gradient
    • 4) all the above.
    • Discussion in forum
      Answer : 1) easier along the falling gradient
      Solution : The chaining on sloping ground is easier along the falling gradient








      discussion


      Answer : 1) easier along the falling gradient

    • ( 8 ) You have to observe an included angle with better accuracy than what is achievable by a vernier, you will prefer the method of

    • 1) repetition
    • 2) reiteration
    • 3) reiteration
    • 4) exactness.
    • Discussion in forum
      Answer : 1) repetition
      Solution : You have to observe an included angle with better accuracy than what is achievable by a vernier, you will prefer the method of repetition.








      discussion


      Answer : 1) repetition

    • ( 9 ) If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for

    • 1) horizontal sights
    • 2) inclined sights upward
    • 3) inclined sight downward
    • 4) none of these.
    • Discussion in forum
      Answer : 1) horizontal sights
      Solution : If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for horizontal sights.








      discussion


      Answer : 1) horizontal sights

    • ( 10 ) If the whole circle bearing of a line is 180°, its reduced bearing is

    • 1) S 0° E
    • 2) S 0° W
    • 3) S
    • 4) N.
    • Discussion in forum
      Answer : 3) S
      Solution : If the whole circle bearing of a line is 180°, its reduced bearing is S








      discussion


      Answer : 3) S





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