Theodolite Surveying

Most precise instrument used for measurement of horizontal and vertical angles is

• Compass

• Survey Chain

• Theodolite

• Dumpy level

Which of the following cannot be done with the help of theodolite in surveying?

• Establishing grades

• Determining the difference in elevation

• Setting out curves

• Determining the area of ground

In a Transit theodolite a word transit represents when telescope is rotated in

• Vertical Plane

• Horizontal Plane

• Same Plane

• none of above

The transit theodolites are also called plain theodolites

• True

• False

Horizontal axis is also called _______

• Inner axis

• Outer axis

• Trunnion axis

• line of sight

The index frame is ______ shaped frame

• U

• V

• T

• A

Which of the following is an integral part of the theodolite and is mounted on a spindle known as a horizontal axis?

• Telescope

• Index frame

• Vernier plate

• Bubble tube

Parallax is a condition arising when the image formed by the object is in the plane of the cross hairs.

• True

• False

The plate level can be centered with the help of _______

• Focusing screw

• Foot screw

• Tangent screw

• Clip screw

To measure a vertical angle, the instrument should be levelled with reference to the line of sight

• True

• False