Exam 15: Surveying Terminology and Techniques: Part C

When the curve is to be set out over a rough ground, the method used is

The instrument attached to the wheel of a vehicle in order to measure the distance travelled, is called

In indirect method of contouring, the best method of interpolation of contours is

An average length of a pace is

The difference between the sum of the angles of a apherical triangle on the earth's surface and the angles of the corresponding plane triangle for every 195.5 km ²of area is only

An arbitrary surface with reference to which the elevation of points are measured and compared, is called

The error in measured length due to incorrect holding of chain is

The capability of showing small angular movements of the level rube vertically, is called its sensitivity.

The traversing by the method of deflection angles is chiefly used in

An imaginary line tangential to the longitudinal curve of the level at the centre of the tube is called

If any closed traverse, if the survey work is correct, then

In order to measure a horizontal angle more accurately than a vernier, a

The line of collimation should be

An axis about which the telescope can be rotated in a horizontal plane, is called

The magnification of a telescope is the ratio of the angle subtended at the eye by the virtual image of the object to that subtended by the object.

When (h) is the difference in heights between the extremities of a chain length (l), then the correction for slope required is

Which of the following statement is wrong?

The image produced by the telescope will be dull, if it has

454A check line in a chain surveying

A transition curve when inserted between the tangent and the circular curve