MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your General Aptitude knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A theodolite was set up at a station P. The angle of depression to vane 2 m above the foot of a staff held at another station Q was 450. The horizontal distance between stations P and Q is 20 m. The staff reading at a benchmark S of RL 4.33.050 m is 2.905 m. Neglecting the errors due to curvature and refraction, the RL of the station Q (in m), is |
| A. | 413.05 |
| B. | 413.955 |
| C. | 431.05 |
| D. | 435.955 |
| Answer» C. 431.05 | |
| 2. |
A temporary benchmark has been established at the soffit of a chajja on a window opening, and its known elevation is 102.405 m above mean sea level. The backsight used to establish the height of the instrument is by an inverted staff reading of 1.80 m. A foresight reading with the same staff, held normally, is 1.215 m on a recently constructed plinth. The elevation of the plinth is |
| A. | 95.42 m O.D |
| B. | 99.39 m O.D |
| C. | 102.42 m O.D |
| D. | 105.99 m O.D |
| Answer» C. 102.42 m O.D | |
| 3. |
Consider the following statements:1. Triangulation is another system of increasing the ground control points2. Triangulation is used for filling in the minute details of an area3. Triangulation system of quadrilaterals is most suitable for railways.Which of the above statements is correct? |
| A. | 1 only |
| B. | 2 only |
| C. | 3 only |
| D. | 1 and 3only |
| Answer» E. | |
| 4. |
In plane surveying where a graduated staff is observed either with horizontal line of sight or inclined line of sight, the effect of refraction is to |
| A. | Increase the staff reading |
| B. | Decrease the staff reading |
| C. | Neither increase nor decrease the staff reading |
| D. | Duplicate the staff reading |
| Answer» C. Neither increase nor decrease the staff reading | |