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Surveying problems

  • 1. If the chain line which runs along N-S direction is horizontal and the ground in E-W direction is sloping

  • Options
  • A. it is possible to set offsets correctly on east side
  • B. it is possible to set offsets correctly on east side
  • C. it is not possible to set offsets correctly on west side
  • D. it is possible to set offsets correctly on both sides.
    • Discuss
  • 2. The properties of autogenous curve for automobiles are given by

  • Options
  • A. true spiral
  • B. cubic parabola
  • C. Bernoulli's Lemniscate
  • D. clothoid spiral.
    • Discuss
  • 3. To orient a plane table at a point with two inaccessible points, the method generally adopted, is

  • Options
  • A. intersection
  • B. resection
  • C. radiation
  • D. two point problem.
    • Discuss
  • 4. In precision theodolite traverse if included angles are read twice and the mean reading accepted using both verniers having a least count of 30". Assuming the instrument to be in perfect adjustment, linear measurements correct to 6 mm per 30 metre tape duly corrected for temperature, slope and sag, the angular error of closure not to exceed (where n is the number of traverse legs)

  • Options
  • A. 50" n
  • B. 30" n
  • C. 60" n.
    • Discuss
  • 5. Pick up the correct statement from the following :

  • Options
  • A. with both handles in his left hand, the chain man throws out the chain with his right hand and the second chain man assists him to free it from knots
  • B. the follower of the chaining operation should be more experienced than the leader
  • C. at the end of the tenth chain length, the two chain men meet and the ten arrows are handed over to the leader
  • D. all the above.
    • Discuss
  • 6. The bearing of lines OA and OB are 16° 10' and 332° 18', the value of the included angle BOA is

  • Options
  • A. 316° 10'
  • B. 158° 28'
  • C. 348° 08'
  • D. 43° 52'
    • Discuss
  • 7. The additional lines which are measured to show the correctness of the chain surveying are called:

  • Options
  • A. check clines
  • B. proof lines
  • C. tie lines
  • D. all of these.
    • Discuss
  • 8. If h1 and h2 are the differences in level between ground and the formation levels, m is the slope of the sloping sides. D is the distance between the cross sections then, prismoidal correction for a level section is

  • Options
  • A. D/2m(h1 - h2)
  • B. D/3m(h1 - h2)
  • C. D/6m(h1 - h2)2
  • D. D/6m(h1 - h2)3
  • E. D/6m(h1 + h2)2
    • Discuss
  • 9. If F is the pull applied at the ends of tape in kg, l is the length of tape between end marks in metres, w is the weight of the tape in kg per metre run, then sag correction

  • Options
  • A.
  • B.
  • C.
  • D. .
    • Discuss
  • 10. The reduced level of a floor is 99.995 m, the staff reading on the floor is 1.505 m. If the inverted staff reading against the roof is 1.795 m, the floor level below the slab, is

  • Options
  • A. 3.290 m
  • B. 3.300 m
  • C. 3.275 m
  • D. 2.790 m
    • Discuss

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