Surveying and Levelling MCQ Questions and Answers for Practice

1. The size of a plane table is

1. 300 mm × 450 mm
2. 750 mm × 900 mm
3. 600 mm × 750 mm
4. 450 mm × 600 mm

2. Straight, parallel and widely spaced contours represent

1. Curved surface
2. A steep surface
3. A flat surface
4. An inclined plane surface

3. Bowditch rule is applied to

1. None of the above
2. An open traverse for graphical adjustment
3. A closed traverse for adjustment of closing error
4. Determine the effect of local attraction

4. Two contour lines, having the same elevation

1. Can unite together
2. Cannot cross each other
3. Can cross each other
4. Cannot unite together

5. Different grades are joined together by a

1. Vertical curve
2. Compound curve
3. Transition curve
4. Reverse curve

6. The vertical angle between longitudinal axis of a freely suspended magnetic needle and ahorizontal line at its pivot, is known

1. Bearing
2. Declination
3. Azimuth
4. Dip

7. The smaller horizontal angle between the true meridian and a survey line, is known

1. Dip
2. Declination
3. Bearing
4. Azimuth

8. Which of the following methods of contouring is most suitable for a hilly terrain?

1. Tachometric method
2. Direct method
3. Square method
4. Cross-sections method

9. If the smallest division of a vernier is longer than the smallest division of its primary scale, thevernier is known as

1. Simple vernier
2. Direct vernier
3. Double vernier
4. Retrograde vernier

10. The line normal to the plumb line is known as

1. Vertical line
2. Horizontal line
3. Level line
4. Datum line

11. The real image of an object formed by the objective must lie

1. Anywhere inside the telescope
2. In the plane of cross hairs
3. At the centre of the telescope
4. At the optical centre of the eye-piece

12. The line of collimation method of reduction of levels, does not provide a check on

1. Reduced levels
2. Intermediate sights
3. Fore sights
4. Back sights

13. Contour interval is

1. Larger if the time available is more
2. Inversely proportional to the scale of the map
3. Directly proportional to the flatness of ground
4. Larger for accurate works

14. Hydrographic surveys deal with the mapping of

1. Canal system
2. Large water bodies
3. Heavenly bodies
4. Mountainous region

15. Subtense bar is an instrument used for

1. Measurement of angles
2. Levelling
3. Measurement of horizontal distances in plane areas
4. Measurement of horizontal distances in undulated areas