| 1. | A check line in a chain surveying ? | |
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checks the accuracy of the framework
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enables the surveyor to locate the interior details which are far away from the main chain lines
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fixes up the directions of all other lines
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all of the above
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Report Question| 2. | A plain scale is used to read ? | |
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one dimension
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two dimensions
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three dimensions
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all of these
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| 3. | The method of measuring distance by pacing is chiefly used in ? | |
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reconnaissance surveys
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preliminary surveys
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location surveys
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all of these
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| 4. | Direct ranging is possible only when the end stations are ? | |
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close to each other
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not more than 100 m apart
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mutually intervisible
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located at highest points in the sea
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| 5. | When the measured length is less than the actual length, the error is known as ? | |
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positive error
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negative error
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compensating error
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instrumental error
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| 6. | The tension, at which the effects of pull and sag for a tape are neutralised, is known as ? | |
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initial tension
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absolute tension
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surface tension
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normal tension
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| 7. | A plumb bob is required ? | |
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when measuring distances along slopes in a hilly country
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for accurate centering of a theodolite over a station mark
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for testing the verticality of ranging poles
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all of the above
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| 8. | When the length of chain used in measuring distance is longer than the standard length, the error in measured distance will be ? | |
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positive error
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negative error
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compensating error
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none of these
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| 9. | Chain surveying consists of the arrangement of framework of triangles because a triangle is the simple plane figure which can be plotted uniquely if ............... of the triangle are known. ? | |
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three sides
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three angles
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one side and two angles
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one angle and two sides
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| 10. | The accuracy in laying down the perpendicular offsets and in measuring them depends upon ? | |
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scale of plotting
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length of offset
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importance of the object
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all of these
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