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For a tacheometer the additive and multiplying constants are respectively:

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  1. 0 and 100
  2. 100 and 0
  3. 0 and 0
  4. 100 and 100

Answer (Detailed Solution Below)

Option 1 : 0 and 100
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Detailed Solution

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Concept:

Stadia Method:

Distance elevation formulae for horizontal sight

Where k =  = Multiplying constant

c = f + d = Additive constant

f = focal length of objectives

For anallactic lens, additive, and multiplying constant are 0 and 100 respectively.

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More Tacheometric Surveying Questions

Q1.The stadia intercept on the staff is 2.5 m and the tacheometric constant (k) is 100. Then, the horizontal distance between the instrument and the staff is ________
Q2.For a tacheometer, the multiplying and additive constants respectively are:
Q3.What is the equation for the difference in elevation is as follows:
Q4.Following are the data of an externally focusing telescope used for a tacheometric survey. Staff intercept  1.52 m Interval between stadia hair 5 mm Distance between the vertical axis of the telescope and the objective 120 mm Focal length of the objective 0.3 m The value of the multiplying constant is ________.
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Q7.A tacheometer was set at a station and the readings were taken on two points, which were 100 m and 150 m apart and had staff intercepts of 3.98 m and 5.98 m, respectively. If an externally focusing tacheometer was used for the observation, then the values of focal length (f), stadia interval (i) and distance (d) between the objective and the vertical axis of the instrument could be _________. 
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Q10.The principle of stadia method used in tacheometric surveying is shown in the figure; the distance 'ab', i.e. 'i', refers to ____________.
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