Q. If all the ground points are projected vertically downward on the mean sea level, which scale is recommended to be used?

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Q. The formula for average scale can be given as______________

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Q. Which of the following indicates the right step for determination of scale?

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Q. The value of horizontal distance can be determined by which of the following methods?

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Q. Determine the scale at elevation point if the values of focal length, height of station and the height of mean sea level are given by 23cm, 76cm and 20cm.

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Q. What will be the average elevation of terrain if the scale is given as 43m, focal length and height of the station as 4m and 20m?

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Q. Photographic scale can be determined by using the photo distance.

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Q. For finding the scale of a photograph, the points must be equally elevated.

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Q. Which of the following photographs may have a varying scale?

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Q. Among the following, which must be known for determining scale in a tilted photograph?

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Q. The geometric process involved in the determination of scale for titled photograph is____________

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Q. Which of the following indicates the formula of scale for a tilted photograph?

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Q. Which of the following is not recommended in case of determining the scale of a tilted photograph?

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Q. Length of the line considered in case of determining scale of tilted photograph can be determined by ____________

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Q. Which of the following type of photograph can be used for the generation of maps?

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Q. Determine the length of the line AB having co-ordinates (2, 4), (6, 7).

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Q. Flying height can be determined by using tilted photograph.

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Q. For identification of length of a line, co-ordinates must be known.

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Q. Determine the tilt displacement if the values of point of rotation and a are 3 and 4m having tilt angle 43˚23ꞌ with focal length 4m.

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Q. Distance from isocentre is taken into consideration in tilt displacement.

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