The vertical circle of the theodolite is in the left of the observer, then the observation is called

The process of setting up a theodolite exactly over the ground station mark is known as

The axis about which the telescope along with the vertical circle of a theodolite,may be rotated in vertical plane is called.

The axis about which the theodolite may be rotated in horizontal plane is called

Graduation of vertical circle of a theodolite is

The theodolite whose telescope cannot be transited, it is called

Face left and face right, observation eliminate ..... error

The convenient direction assumed as a median for measuring bearing of survey line known as

The imaginary line joining the points having same dip on the surface of earth are known as

The bearing of a line in the direction of the progress survey, is called

If the bearing of two lines AB and AC are N 40°10' E and N 89° 45'E respectively.Its Included angle is :

If the sign of magnetic declination is negative, then the declinations is

Magnitude of max. angle in quadratal system is

The dip of a magnetic needle at equator is

If the fore bearing of a line is S 60° W, then its back bearing is

If true bearing of a line is 125° 30° and declination is 2° 30' W its magnetic bearing equals

The angle between the true North and magnetic North at a place is known as

Whole circle bearing of a line whose R.B is S20°W is

The least count of a prismatic compass is

At magnetic pole, dip of a magnetic needle is

An imaginary line joining the points of equal declination either positive or negative, on the surface of the earth is called ----- Line

The smaller angle which a line makes with a true meridian is called

The zero of the graduation of prismatic compass is at ------ end of the graduated circle

....... Meridian of a place changes its position with time

Fore bearing and back bearing of a line whose end station are free from local attraction should differ by

The sum of the interior angles of a closed traverse is equal to right angles ------ ,where 'n' is the number of its sides

The length of a line measured with anerroneous chain .... where D and D' are true and erroneous distance and L and L' are true and erroneous length of the chain

..... Instrument is used for setting out right angles

The angle between two plain mirrors of an optical square is

Walking over the area and observing its main features and boundaries is known as:

The principle of chain surveying is to divide the area in to

Sag correction is given by ....... Where L= length of tape, W = weight of tape and P = the pull

For the measurement of short offset, Instrument is used

Each meter length of a metric chain is divided in to .... Links

The correction of slope is given by ....Where 'h' is the difference in height and 'L' is the slopping distance

The method of measuring horizontal distance along the slope directly known as ---------- method

The end stations of a line are free from local attraction. The difference between fore bearing and back bearing is

The perpendicular distance between intrados and extrados of an arch is called

The error of closure for a traverse in terms of error in Latitude (ΣL) and error in Departure(ΣD) is

The true bearing of a line is calculated as

Survey that deals with mapping of large water bodies is known as

The curvature of earth's surface is taken into account, only if the extent of survey is more than

The sensitivity of bubble tube can be increased by

The magnetic bearing of a line is 48° 30' and the magnetic declination at that place is 2° 30' minutes East. The true bearing is

If Quandrantal bearing of a place is N 10° W the corresponding whole circle bearing is

The working principle of optical square is based on

The length of a ranging rod is

An obstacle that obstructs both chaining and ranging is

Permissible error in chaining for measurement on a hilly ground is

A triangle is said to be well conditioned if none of its angle is less than