Category: Surveying

1. levelling
2. orientation
3. centering
The correct sequence of these operations is

A. (1), (2),(3)
B. (1), (3), (2)
C. (3), (1), (2)
D. (2), (3), (1)

A. measuring approximate horizontal angles
B. setting out right angles
C. measuring bearings of the lines
D. none of the above

A. increasing the diameter of the tube
B. decreasing the length of bubble
C. increasing the viscosity of liquid
D. decreasing the radius of curvature of tube

A. line ranger
B. steel tape
C. optical square
D. cross staff

A. 1 in 100
B. 1 in 250
C. 1 in 500
D. 1 in 1000

A. level line is a curved line while hori-zontal line is a straight line
B. level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line
C. horizontal line is normal to plumb line while level line may not be normal to the plumb line
D. both are same

A. 30°
B. 45°
C. 60°
D. 90°

A. vertical circle is to its right and the bubble of the telescope is down
B. vertical circle is to its right and the bubble of the telescope is up
C. vertical circle is to its left and the bubble of the telescope is down
D. vertical circle is to its left and the bubble of the telescope is up

A. resection
B. orientation
C. traversing
D. resection and orientation

1. radiation
2. traversing
3.intersection
4. resection
The correct answer is

A. (1) and (2)
B. (3) and (4)
C. (2) and (4)
D. (1) and (3)