If Quandrantal bearing of a place is N 10° W the corresponding whole circle bearing is
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
The sensitivity of bubble tube can be increased by
The curvature of earth's surface is taken into account, only if the extent of survey is more than
Survey that deals with mapping of large water bodies is known as
The true bearing of a line is calculated as
The error of closure for a traverse in terms of error in Latitude (ΣL) and error in Departure(ΣD) is
The perpendicular distance between intrados and extrados of an arch is called
The end stations of a line are free from local attraction. The difference between fore bearing and back bearing is
The method of measuring horizontal distance along the slope directly known as ---------- method
The correction of slope is given by ....Where 'h' is the difference in height and 'L' is the slopping distance
Each meter length of a metric chain is divided in to .... Links
For the measurement of short offset, Instrument is used
Sag correction is given by ....... Where L= length of tape, W = weight of tape and P = the pull
The principle of chain surveying is to divide the area in to
Walking over the area and observing its main features and boundaries is known as:
The angle between two plain mirrors of an optical square is
..... Instrument is used for setting out right angles
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
The sum of the interior angles of a closed traverse is equal to right angles ------ ,where 'n' is the number of its sides
Fore bearing and back bearing of a line whose end station are free from local attraction should differ by
....... Meridian of a place changes its position with time
The zero of the graduation of prismatic compass is at ------ end of the graduated circle
The smaller angle which a line makes with a true meridian is called
An imaginary line joining the points of equal declination either positive or negative, on the surface of the earth is called ----- Line
At magnetic pole, dip of a magnetic needle is
The least count of a prismatic compass is
The reduced bearing of a line whose whole circle bearing is 80° is
Whole circle bearing of a line whose R.B is S20°W is
The angle between the true North and magnetic North at a place is known as
If true bearing of a line is 125° 30° and declination is 2° 30' W its magnetic bearing equals
If the fore bearing of a line is S 60° W, then its back bearing is
The dip of a magnetic needle at equator is
Magnitude of max. angle in quadratal system is
If the sign of magnetic declination is negative, then the declinations is
If the bearing of two lines AB and AC are N 40°10' E and N 89° 45'E respectively.Its Included angle is :
The bearing of a line in the direction of the progress survey, is called
The imaginary line joining the points having same dip on the surface of earth are known as
The convenient direction assumed as a median for measuring bearing of survey line known as
Face left and face right, observation eliminate ..... error
The theodolite whose telescope cannot be transited, it is called
Graduation of vertical circle of a theodolite is
The axis about which the theodolite may be rotated in horizontal plane is called
The axis about which the telescope along with the vertical circle of a theodolite,may be rotated in vertical plane is called.
The process of setting up a theodolite exactly over the ground station mark is known as
The vertical circle of the theodolite is in the left of the observer, then the observation is called
The meeting point of vertical axis, horizontal axis and line of sight of a theodolite is called
The adjustment required to made at every instrument station before making observation are called
When the vertical axis is truly vertical,the plate bubble must occupy ...... the position
When the line of sight is perpendicular to the horizontal axis, the vertical circle must read