The difference between back bearing and fore bearing is

The horizontal projection of the lines of earth's magnetic field at a point defines

The reduced bearing of the reading 252° is

An angle measured clock wise from the proceeding survey the following survey line is called

The principle of chain surveying is to divide the area to be surveyed in to network of

Geodetic survey is applied if the area to be surveyed is more than

An optical square works on the principle that

First sight taken on turning point:

The accidental error of chain of length 'L' is proportional to:

The line joining tie stations are called:

An obstacle which obstructs chaining but not vision:

The needle of magnetic compass is generally supported on a

Which of the below is not a temporary adjustment of the prismatic compass

Preliminary survey plans are prepared to a scale maximum scale of:

If the field temperature is lower than that at which the tape was calibrated, it results in:

GTS stands for:

Metallic tapes are made of:

Cumulative errors are proportional to:

Which of the following hydrometer correction cannot take negative value:

To fix the position of moving boat, microwave system is used. The equipment which uses this system is:

The map shows general topography of the area and details are represented symbolically is:

The principle of chain survey is:

Which one is used for setting an offset at right angle?

The circle of contact of earth and the cone of visual rays passing through the point of observation is called:

The carry over factor in a prismatic member whose far end is fixed is

Correction for pull is:

In prismatic compass, the 360° or 0° of the graduation is marked at the .................... end of the graduated circle:

Which of the below is not a means of linear surveying methods?

A digital level reads a:

The true bearing of a line is calculated as:

The instrument used to determine area of the irregular figure or boundary is:

The reduced bearing of a line is always less than:

Which of the following curve is mostly used in place where deflection angle is quite large?

The last reading taken from the instrument is called:

Miscounting of the chain length is:

Chain used for survey work in the recent times:

Too long chain may be adjusted by:

The most suitable well-conditioned triangle in chain survey is:

The lines passing through points at which the magnetic declination is equal at a given time are called:

Measuring with a 30 m chain,20 mm too short, introduces:

The area of a field as calculated from measurements taken with a 20m chain 0.5 links too short is found to be 120m². What is the true area of the field?

If the field temperature is lower than that which the tape was calibrated, it results in:

The image formed of the object in a telescope is

Latitude of the observers position is equal to altitude of

The circle in which a plane tangent to the earth surface at the point observation intersect the celestial sphere is called