In a theodolite the telescope axis is perpendicular to transit axis the axis of

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Question
In a theodolite
Options
A. the telescope axis is perpendicular to transit axis
B. the axis of rotation is perpendicular to transit axis
C. the telescope axis, the transit axis and the rotation axis pass through the centre of theodolite
D. all the above.

Correct Answer

all the above.

Surveying problems

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1. The distances AC and BC are measured from two fixed points A and B whose distance AB is known. The point C is plotted by intersection. This method is generally adopted in
Options
A. chain surveying
B. traverse method of surveys
C. triangulation
D. none of these.

2. The length of a traverse leg may be obtained by multiplying the latitude and
Options
A. secant of its reduced bearing
B. sine of its reduced bearing
C. cosine of its reduced bearing
D. tangent of its reduced bearing.

7. In setting up a plane table at any station
Options
A. levelling is done first
B. centering is done first
C. both levelling and centering are done simultaneously
D. orientation is done first.

9. Pick up the correct statement from the following :
Options
A. it is difficult to eliminate an error completely at first trial
B. instability of the instrument makes it almost impossible to adjust it satisfactorily
C. adjustment screws must be left bearing firmly but should never be forced
D. all the above.

10. Pick up the correct statement from the following :
Options
A. mistakes arise from inattention, inexperience or carelessness
B. systematic errors persist and have regular effects in the survey performances
C. accidental errors occur inspite of every precaution is taken
D. all the above.

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