Discussion
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- Question
Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than
Options- A. 30 m
- B. 25 m
- C. 20 m
- D. 15 m
- Correct Answer
- 25 m
- 1. The main principle of surveying is to work
Options- A. from part to the whole
- B. from whole to the part
- C. from higher level to the lower level
- D. from lower level to higher level. Discuss
- 2. The 'fix' of a plane table station with three known points, is bad if the plane table station lies
Options- A. in the great triangle
- B. outside the great triangle
- C. on the circumference of the circumscribing circle
- D. none of these. Discuss
- 3. Good quality stones must
Options- A. be durable
- B. be free from clay
- C. resist action of acids
- D. all the above. Discuss
- 4. Gniess is obtained from
Options- A. igneous rocks
- B. metamorphic rocks
- C. sedimentary rocks
- D. sedimentary metamorphic rocks. Discuss
- 5. Galvanising means covering iron with a thin coat of
Options- A. tin
- B. zinc
- C. glaze
- D. coal tar. Discuss
- 6. Pick up the correct statement from the following :
Options- A. the eyepiece plays no part in defining the line of sight
- B. the diaphragm plays no part in defining the line of sight
- C. the optical centre of the objective plays no part in defining the line of sight
- D. none of these. Discuss
- 7. If S is the length of a subchord and R is the radius of simple curve, the angle of deflection between its tangent and sub-chord, in minutes, is equal to
Options- A. 573 S/R
- B. 573 R/S
- C. 171.9 S/R
- D. 1718.9 R/S
- E. 1718.9 S/R. Discuss
- 8. The slope correction for a length of 30 m along a gradient of 1 in 20, is
Options- A. 3.75 cm
- B. 0.375 cm
- C. 37.5 cm
- D. 2.75 cm. Discuss
- 9. Two concave lenses of 60 cm focal length are cemented on either side of a convex lens of 15 cm focal length. The focal length of the combination is
Options- A. 10 cm
- B. 20 cm
- C. 30 cm
- D. 40 cm Discuss
- 10. Pick up the method of surveying in which field observations and plotting proceed simultaneously from the following
Options- A. chain surveying
- B. compass surveying
- C. plan table surveying
- D. tacheometric surveying. Discuss
Surveying problems
Search Results
Correct Answer: from whole to the part
Correct Answer: on the circumference of the circumscribing circle
Correct Answer: all the above.
Correct Answer: sedimentary metamorphic rocks.
Correct Answer: zinc
Correct Answer: the eyepiece plays no part in defining the line of sight
Correct Answer: 1718.9 S/R.
Correct Answer: 3.75 cm
Correct Answer: 30 cm
Correct Answer: plan table surveying
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