The horizontal angle between true meridian and magnetic meridian is known as
The constant ...... between two consecutive contours is called contour interval
Closely spaced contour lines represent
...... area
If the length of a chain line along a slope of θ° is 1 required slope correction is
An imaginary line joining the points of equal elevation on the surface of the earth, is a
A set of curves having centres in the same side is known as .... curve
A simple circular curve is designated by
If a level is in permanent adjustment, its line of collimation is parallel to the axis of the
The smallest division of the B.I.S levelling staff is equal to
In a level tube, the larger the radius of curvature ...... is the sensitiveness
Reduced level of a point is its elevation with reference to
The part of surveying which deals with the measurement in a vertical plane is
Correction applied for pull in tape can be
Incorrect length of chain is source of error
Is the method of solving three point problem
The alidade provides..... in plane table surveying
Field work and plotting are done simultaneously in
The permissible error in prismatic compass survey is
A river training structure constructed into the river flow extending from bank to river
The forces which meet at one point and their line of action lines in the same plane on are called
The straight line tangential to longitudinal curve of the level tube at its center is called
An instrument used for measuring horizontal and vertical angles accurately
Which method gives more accurate results in the measurement of areas
The instrument used for the measurement of area on a map
If the contour lines are equally spaced, they indicate
The vertical distance between any two consecutive contours is called
A set of close contour lines with higher values inside it represent
The operation of leveling carried out to determine the elevations of the points at known distance apart along given straight line is called as
The line passing through the optical center of the objective and the point of intersection of the cross hair and its continuation is called
The sum of interior angles of a closed traverses equal to ----------- Where n is the number of sides
The two point and three point problems are method of
In plane tables surveys, to locate the position of inaccessible points the method used is
Variation in declination due to magnetic storms, earthquakes and other solar influences are called
If the observed back bearing of the line is N60° 30' E, what is the fore bearing?
If the bearing of the line is observed to be 20° 20' ; then its back bearing would be
The horizontal angle, which a line makes with the magnetic meridian is called
Fore and back bearing for a line whose end stations are free local attraction, if it differs exactly by
If a measuring tape is too long as standard length, the error will be a
The longest chain line passing through the center of the area is known as
A system of surveying in which sides of various triangle are measured directly in the field with a chain and no angular measurements are taken is known as
The survey, which deals with the mapping of large water bodies, is known as
The curvature of the earth's surface is taken into account only if the extent of survey is more than
The surveys in which curvature of the earth is taken in to accounts is known as
Area of trapezium with sides 'a' and 'b' with altitude 'h' is given by
Volume of a sphere with radius 'r' is given by
Which one is not a conic section?
The eccentricity , e of an ellipse is
RF of a scale used in engineering drawing means
Which of the following is reduced scale?
The method used for calculating the earthwork with more accuracy is