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25. Draftman Grade I Department Kerala Port

Quiz by Wincentre Test series

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100 questions
Show answers
  • Q1
    The general method of determining the distance of boundaries during reconnaissance survey
    Tachcometry
    Direct method
    Speedometer
    Pacing
    30s
  • Q2
    The Bowditch rule is based on the assumption that probable error of closure of a traverse is proportional to : Where l is the length of the line ?
    √ l
    1√ l
    l2
    3√ l
    30s
  • Q3
    The methods of plane surveying can be done for an area, not more than:
    500 Sqkm
    5000 Sqkm
    250 Sqkm
    1000 Sqkm
    30s
  • Q4
    Which one of the following scales is the smallest
    1 cm = 1 km
    Imm= 1 m
    1:20000
    RF = 1/2000
    30s
  • Q5
    The coefficient of linear expansion of invar as compared to that of ordinary steel is about
    1/3000
    1/30000
    1/300
    1/30
    30s
  • Q6
    30s
  • Q7
    30s
  • Q8
    The term height of instrument (HI) in leveling is
    Elevation of line of sight with respect to a datum
    Elevation of line of sight with respect to MSI
    Elevation of the instrument axis above the staff station
    Height of instrument axis above the station point
    30s
  • Q9
    While levelling a steep slope, it is preferable to setup the instrument successively along
    Straight line
    Zig-Zig line
    Curved line
    Diagonal line
    30s
  • Q10
    The contour interval is :
    Small on hilly area
    Directly proportional to the scale of map
    Greater on flat ground
    Inversely proportional to the scale of map
    30s
  • Q11
    In a vernier theodolite having least count 20”, the value of vernier scale division is
    1/60 x 20"
    59/60 x 20"
    59/ 60 x 20"
    59/60 x 20"
    30s
  • Q12
    To measure a vertical angle of an object
    Vernier C should set zero
    No need of set zero in the vernier
    Both verniers C and D should set zero
    Vernier D should set Zero
    30s
  • Q13
    The some of the interior angle of a closed traverse is , where ‘N’ is the number of angles,
    (2N-4) x 180°
    (N-2) x 180°
    (2N +4 ) x 180°
    (N + 2 ) x 180°
    30s
  • Q14
    The method of tachnometry is generally done by
    Movable hair system
    Subtense bar system
    None of the above
    fixed hair system
    30s
  • Q15
    30s

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