1. Spire test is used for the permanent adjustment of a theodolite for
[A] Adjustment of horizontal axis
[B] Adjustment of vertical axis
[C] Adjustment of plate levels
[D] Adjustment of line of sight
Answer: Option A
2. In theodolite, the plate bubble in the plate level will move considerably from its central position if the tripod leg is moved
[A]radially inwards
[B] radially outwards
[C] in the same direction of the bubble moved
[D] in the opposite direction of the bubble moved.
Answer: Option C
3. The process of turning the telescope of a Theodolite in a horizontal plane is called
[A] Transiting
[B] Plunging
[C] Reversing
[D] Swinging
Answer: Option D
4. The Mercator projection system used in atlases uses a
[A] Isometric projection
[B] Conical projection
[C] Cylindrical projection
[D] Azimuthal projection
Answer: Option C
5. The sensitiveness of a bubble tube in a theodolite would decrease if
[A] the viscosity of the liquid is increased
[B] the radius of curvature of the internal surface of the tube is increased
[C] the diameter of the tube is increased
[D] the length of the vapour bubble is increased
Answer: Option A