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Civil Engineering :: Surveying

  1. In a spherical triangle ABC, right angled at C, sin b equals

  2. A.

     sin a cos A

    B.

     cos a sin A

    C.

     tan a cot A

    D.

     cot A tan a

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  3. Pick up the correct statement from the following:

  4. A.

     The plane passing through the perspective centre of a stereo pair and a ground point, is known as basal plane

    B.

     Each pair of image points on stereo pair have their own basal plane

    C.

     Relative orientation means reconstructing the basal plane

    D.

     All the above

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  5. Pick up the correct statement from the following:

  6. A.

     The principal point coincides with plumb point on a true vertical photograph

    B.

     The top of a hill appears on a truly vertical photograph at greater distance than its bottom from the principal point

    C.

     The top of a hill is represented on a vertical photograph at larger scale than the area of a nearby valley

    D.

     All the above

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  7. On vertical photographs, height displacement is

  8. A.

     Positive for points above datum

    B.

     Negative for points below datum

    C.

     Zero for points vertically below the air station

    D.

     All the above

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  9. The First Point of Aeries

  10. A.

     Is the point in the celestial sphere where zero meridian crosses the celestial equator

    B.

     Is usually denoted by the Greek letter ?

    C.

     Is located near the very conspicuous rectangle of stars in the constellations of Pegasus and Andromeda

    D.

     All the above

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  11. The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called

  12. A.

     radiation

    B.

     intersection

    C.

     resection

    D.

     traversing

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  13. If the lower clamp screw is tightened and upper clamp screw is loosened, the theodolite may be rotated

  14. A.

     on its outer spindle with a relative motion between the vernier and graduated scale of lower plate

    B.

     on its outer spindle without a relative motion between the vernier and gra-duated scale of lower plate

    C.

     on its inner spindle with a relative motion between the vernier and the graduated scale of lower plate

    D.

     on its inner spindle without a relative motion between the vernier and the graduated scale of lower plate

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  15. The position of a heavenly body on the celestial sphere can be completely specified by

  16. A.

     Its altitude and azimuth

    B.

     Its declination and hour angle

    C.

     Its declination and right ascension

    D.

     All the above

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  17. The want of correspondence in stereo-photographs

  18. A.

     Is a good property

    B.

     Is a function of tilt

    C.

     Is not affected by the change of flying height between photographs

    D.

     Is minimum when θ is 3°

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  19. If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about

  20. A.

     10 km

    B.

     25 km

    C.

     30 km

    D.

     50 km

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