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- Question
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.
. - Correct Answer
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- 1. 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
- 2. 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
- 3. 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
- 4. 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
- 5. 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
- 6. 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
- 7. The line normal to the plumb line is known as
Options- A. horizontal line
- B. level line
- C. datum line
- D. vertical line. Discuss
- 8. Planimeter is used for measuring
Options- A. volume
- B. area
- C. contour gradient
- D. slope angle
- E. none of these Discuss
- 9. Resolving power of a telescope depends on
Options- A. the diameter of the aperture
- B. the pupil aperture of the eye
- C. the diameter of the object glass
- D. all the above. Discuss
- 10. The included angles of a theodolite traverse, are generally measured
Options- A. clockwise from the forward station
- B. anti-clockwise from the back station
- C. anti-clockwise from the forward station
- D. clockwise from the back station. Discuss
Surveying problems
Search Results
Correct Answer: D/6m(h1 - h2)2
Correct Answer: all of these.
Correct Answer: 43° 52'
Correct Answer: all the above.
Correct Answer: 50" n
Correct Answer: 3.300 m
Correct Answer: level line
Correct Answer: area
Correct Answer: all the above.
Correct Answer: clockwise from the back station.
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