If a tacheometer is fitted with an anal-latic lens

If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as

Prismatic compass is considered more accurate than a surveyor's compass, because

Pantagraph is used for

Back bearing of a line is equal to

Pick up the correct statement from the following :

A theodolite is said to be in perfect adjustment if

Greater accuracy in linear measurements, is obtained by

While measuring a chain line between two stations A and B intervened by a raised ground

A standard steel tape of lengthm and cross-sectionx 1.0 mm was standardised at 25°C and atkg pull. While measuring a base line at the same temperature, the pull applied waskg. If the modulus of elasticity of steel tape is 2.2 x 10⁶ kg/cm², the correction to be applied is

Volume of the earth work may be calculated by

Cross-staff is used for

In reciprocal levelling, the error which is not completely eliminated, is due to

An angle of deflection right, may be directly obtained by setting the instrument to read

In a lemniscate curve the ratio of the angle between the tangent at the end of the polar ray and the straight, and the angle between the polar ray and the straight, is

In levelling operation,

If the angular measurements of a traverse are more precise than its linear measurements, balancing of the traverse, is done by

In an internal focusing telescope

Pick up the correct statement from the following :

While rotating the theodolite in the horizontal plane, the bubble of the bubble tube takes up the same position in its tube, it indicates

The chord of a curve less than peg interval, is known as

Ramsden eye-piece consists of

From any point on the surface with a given inclination

The Random errors tend to accumulate proportionally to

The bearing of AB isand that of CB is30'. The included angle ABC, is

Which one of the following mistakes/errors may be cumulative + or - :

Magnetic bearing of a survey line at any place

The 'point of curve' of a simple circular curve, is

In tacheometrical observations, vertical staff holding is generally preferred to normal staffing, due to

The method of finding out the difference in elevation between two points for eliminating the effect of curvature and refraction, is

Magnetic bearing of a survey line at any place

The total change in level along the line is equal to total back sights

The apparent error on reversal is

The branch of surveying in which both horizontal and vertical positions of a point, are determined by making instrumental observations, is known

The longitudinal section of the surface of bubble tube is

For preparation of a contour plan for a route survey

The slope correction may be ignored if

For preparation of a contour plan for a route survey

The ratio of the linear displacement at the end of a line, subtended by an arc of one second to the length of the line, is

The co-ordinate of a point measured perpendicular to the parallel, is called

The main plate of a transit is divided intoequal divisions.divisions of the vernier coincide exactly withdivisions of the main plate. The transit can read angles accurate upto

Mistakes which may produce a very serious effect upon the final results arise due to

The smaller horizontal angle between the true meridian and a survey line, is known

The distance between steps for measuring down hill to obtain better accuracy

Number of subdivisions per metre length of a levelling staff is

There are two stations A and B. Which of the following statements is correct :

The chaining on sloping ground is

Angles to a given pivot station observed from a number of traverse stations when plotted, the lines to the pivot station intersect at a common point

While measuring the distance between two points along upgrade with the help of am chain, the forward end of the chain is shifted forward through a distance

The true meridian of a place is the line in which earth's surface is intersected by a plane through