Discussion
Home ‣ Civil Engineering ‣ Surveying Comments
- Question
Pick up the correct statement from the following :
Options- A. an observation or the resulting reading with the level on a levelling staff is called sight
- B. a back sight is the first sight taken after setting up the instrument in any position
- C. the first sight on each change point is a fore sight
- D. the second sight on each change point is a back sight
- E. all the above.
- Correct Answer
- all the above.
- 1. In a precision traverse, included angles are measured by setting the vernier
Options- A. to read zero exactly on back station
- B. to read 5° exactly on back station
- C. some where near zero and reading both verniers on back station
- D. all the above. Discuss
- 2. A dumpy level was set up at mid-point between pegs A and B, 80 m apart and the staff readings were 1.32 and 1.56. When the level was set up at a point 10 m from A on BA produced, the staff readings obtained at A and B were 1.11 and 1.39. The correct staff reading from this set up at S should be
Options- A. 1.435
- B. 1.345
- C. 1.425
- D. none of these. Discuss
- 3. While surveying a plot of land by plane tabling, the field observations
Options- A. and plotting proceed simultaneously
- B. and plotting do not proceed simultaneously
- C. and recorded in field books to be plotted later
- D. all the above. Discuss
- 4. The instrument which is used in plane tabling for obtaining horizontal and vertical distances directly without resorting to chaining, is known as
Options- A. Plane alidade
- B. telescopic alidade
- C. clinometer
- D. tacheometer. Discuss
- 5. If vertical angles of inclined sights do not exceed 10° and non-verticality of the staff remains within 1°, stadia system of tacheometric observations are made on
Options- A. staff normal
- B. staff vertical
- C. staff normal as well as vertical
- D. none of these. Discuss
- 6. The rise and fall method of reduction of levels, provides a check on
Options- A. back sights
- B. fore sights
- C. intermediate sights
- D. all of these. Discuss
- 7. An angles of 45° with a chain line may be set out with
Options- A. optical square
- B. open cross staff
- C. Fench cross staff
- D. prismatic square. Discuss
- 8. In chain surveying, perpendiculars to the chain line, are set out by
Options- A. a theodolite
- B. a prismatic compass
- C. a level
- D. an optical square Discuss
- 9. The area of any irregular figure of the plotted map is measured with
Options- A. pentagraph
- B. sextant
- C. clinometer
- D. planimeter
- E. optical square Discuss
- 10. If ? is the angle of deflection of a simple curve of radius R, the length of the curve is :
Options- A.
- B.
- C.
- D.
.
Discuss
Surveying problems
Search Results
Correct Answer: some where near zero and reading both verniers on back station
Correct Answer: 1.345
Correct Answer: and plotting proceed simultaneously
Correct Answer: telescopic alidade
Correct Answer: staff normal
Correct Answer: all of these.
Correct Answer: Fench cross staff
Correct Answer: an optical square
Correct Answer: planimeter
Correct Answer:
Comments
There are no comments.More in Civil Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.