Surveying and Levelling Multiple Choice Questions and Answers

1. The size of a plane table is

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

2. Straight, parallel and widely spaced contours represent

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

3. Bowditch rule is applied to

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

4. Two contour lines, having the same elevation

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

5. Different grades are joined together by a

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

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

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

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

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

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

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

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

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

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

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