Q. The accuracy in the location of the objects depends upon the accuracy in laying the ________

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Q. Survey stations must be mutually visible to obtain a good system of line.

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Q. In case, to get a well-proportioned or well-shaped triangle, no angle should be less than _________

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Q. Each triangle or portion of a skeleton must be provided with sufficient tie lines to obtain good system of lines.

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Q. As far as possible, the main survey line should not pass through _____

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Q. Check lines should form well-conditioned triangles to obtain a good system of survey lines.

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Q. The simplest instrument used for setting right angles is a _____

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Q. Which of the following is not a common form of cross staff?

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Q. Which cross staff consists of two cylinders of equal diameter placed one on top of the other?

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Q. Prism square works on the same principle as that of _______

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Q. What are used to mark the positions of the stations or terminal points of survey line?

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Q. Which cross staff consists of two pairs of vertical slits giving two lines of sights at right angles to each other?

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Q. Which cross staff consists of a hollow octagonal box?

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Q. How many number of arrows are required for chain surveying?

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Q. What can be used in conjunction with a datum rod into the base of the instrument?

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Q. Which of the following contains two plane mirrors or two right angles isosceles prisms placed one above the other?

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Q. Which of the following consists of two laths, each of 1 yard or 1m in length loosely riveted together?

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Q. Which of the following is not required for chain surveying?

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Q. Marking the survey stations in soft ground is done by _____

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Q. Which of the following is the sighting device?

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