The power of a lens

The orthographical projection of a traverse leg upon the reference meridian, is known as

Perpendicularity of an offset may be judged by eye, if the length of the offset is

For orientation of a plane table with three points A, B and C, Bessel's drill is

Removal of parallax, may be achieved by focussing

Transition curves are introduced at either end of a circular curve, to obtain

Ranging in chain survey means

ABCD is a rectangular plot of land. If the bearing of the side AB is 75°, the bearing of DC is

Magnetic declination at any place

In levelling operation

Imaginary line passing through points having equal magnetic declination is termed as

Flint glass

Ranging in chain survey means

The operation of resection involves the following steps

1. rough orientation of the plane table
2. the three lines form a triangle of error
3. drawing lines back through the three control points
4. select a point in the triangle of error such that each ray is equally rotated either clockwise or anti clockwise
5. the points obtained by three rays is the correct location.

The magnetic meridian at any point, is the direction indicated by a freely suspended

If a linear traverse follows a sharp curve round a large lake where it is difficult to have long legs, the accuracy of the traverse may be improved by

Pick up the correct statement from the following :

A well conditioned triangle has no angle less than

The distance between terminal points computed from a subsidiary traverse run between them, is generally known, as

The tangent to the liquid surface in a level tube, is parallel to the axis of the level tube at

Chain surveying is well adopted for

Profile levelling is usually done for determining

Reduced bearing of a line is an angle between

Subtense tacheometry is generally preferred to if ground is

The method of reversal

The least count of a vernier scale is

In an adjusted level, when the bubble is central, the axis of the bubble tube becomes parallel to

The whole circle bearing of a line is 290°. Its reduced bearing is

The bearings of two traverse legs AB and BC are NE and NE respectively. The deflection angle is

The minimum range for sliding the focusing lens in the internal focusing telescope for focusing at all distances beyond 4 m is

Pick up the correct statement from the following :

The horizontal angle between true meridian and magnetic meridian, is known

Accurate measurement of deflection angles with a transit not properly adjusted may be made by

Grid lines are parallel to

Systematic errors are those errors

The zero of the graduated circle of a prismatic compass is located at

The horizontal angle between true meridian and magnetic meridian, is known

If the radius of a simple curve ism, the maximum length of the chord for calculating offsets, is taken

Perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to

If Δ is the angle of deflection of the curve, T₁ and T₂ are its points of tangencies, the angle between the tangent at T₁ and long chord T₁ T₂ will be

Contour lines of different elevations can unite to form one line, only in the case of

The angle of intersection of a contour and a ridge line, is

The bearing of C from A is NE and from B,metres east of A, is NW. The departure of C from A is

For locating a distant object visible from two transit stations, the method usually preferred to, is

Pick up the wrong statement from the following :

In a closed traverse, sum of south latitudes exceeds the sum of north latitudes and the sum of east departures exceeds the sum of west departures, then, the closing line will lie in

While measuring with a metallic tape ofm length pull should be applied

For high sensivity of the bubble tube

You have to observe an included angle with better accuracy than what is achievable by a vernier, you will prefer the method of

Pick up the wrong statement from the following :