Discussion
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- Question
Straight, parallel and widely spaced contours represent
Options- A. a steep surface
- B. a flat surface
- C. an inclined plane surface
- D. curved surface.
- Correct Answer
- an inclined plane surface
- 1. The first reading from a level station is
Options- A. foresight
- B. intermediate sight
- C. back-sight
- D. any sight. Discuss
- 2. Surveys which are carried out to provide a national grid of control for preparation of accurate maps of large areas, are known
Options- A. plane surveys
- B. geodetic surveys
- C. geographical surveys
- D. topographical surveys. Discuss
- 3.
is a conventional sign of
Options- A. mosque
- B. temple
- C. church
- D. idgah. Discuss
- 4. Pick up the correct statement from the following :
Options- A. The horizontal angle between magnetic meridian and true meridian at a place is called magnetic declination or variance of the compass
- B. the imaginary lines which pass through points at which the magnetic declinations are equal at a given time are called isogonic lines
- C. the isogonic lines through places at which the declination is zero are termed agonic lines
- D. all the above. Discuss
- 5. If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum deflection angle to locate its junction point, is
Options- A. 1°43' 08"
- B. 1°43' 18"
- C. 1°43' 28"
- D. 1°43' 38" Discuss
- 6. The staff reading at a distance of 80 m from a level with the bubble at its centre is 1.31 m. When the bubble is moved by 5 divisions out of the centre, the reading is 1.39 m. The angular value of the one division of the bubble, is
Options- A. 28.8 secs
- B. 41.25 secs
- C. 14.52 secs
- D. 25.05
- E. none of these Discuss
- 7. It is more difficult to obtain good results while measuringhorizontal distance by stepping
Options- A. up-hill
- B. down-hill
- C. in low undulations
- D. in plane areas. Discuss
- 8. Pick up the incorrect statement from the following :
Options- A. while measuring a distance with a tape of length 100.005 m, the distance to be increasing by 0.005 m for each tape length
- B. an increase in temperature causes a tape to increase in length and the measured distance is too large
- C. the straight distance between end points of a suspended tape is reduced by an amount called the sag correction
- D. a 100 m tape of cross section 10 mm x 0.25 mm stretches about 10 mm under 5 kg pull. Discuss
- 9. If + 0.8% grade meets - 0.7% grade and the rate of change of grade for 30 m distance is 0.05, the length of the vertical curve will be
Options- A. 600 m
- B. 700 m
- C. 800 m
- D. 900 m
- E. 1000 m Discuss
- 10. In a telescope the object glass of focal length 14 cm, is located at 20 cm from the diaphragm. The focussing lens is midway between them when a staff 16.50 m away is focussed. The focal length of the focussing lens, is
Options- A. 5.24 cm
- B. 6.24 cm
- C. 7.24 cm
- D. 8.24 cm Discuss
Surveying problems
Search Results
Correct Answer: back-sight
Correct Answer: geodetic surveys
Correct Answer: idgah.
Correct Answer: all the above.
Correct Answer: 1°43' 28"
Correct Answer: 41.25 secs
Correct Answer: up-hill
Correct Answer: an increase in temperature causes a tape to increase in length and the measured distance is too large
Correct Answer: 900 m
Correct Answer: 7.24 cm
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