In levelling, the correction for curvature in metres is equal to
The contour interval depends upon the
The horizontal distance between any two consecutive contours is called
The tacheometric method of contouring is particularly Suitable
In indirect method of contouring, the best method of interpolation of contours is
The plotting of small areas which can be commanded from a single station, is usually done on the plane table by the method of
In curves the length of long chord is equal to
When the curve is to be set out over a rough ground, the method used is
Two theodolite method of setting out a curve involves
A curve of varying radius is known as
Branch of surveying in which the horizontal and vertical distances of points are obtained by instrumental observation, known as
The principle of tacheometry is used
The multiplying constant for the tachometer is
Additive constant for the tachometer is generally kept as
Imaginary line passing through points having equal magnetic declination is termed as
Magnetic bearing of a line is also termed as
The most reliable method of plotting of a theodolite traverse is
The stadia tachometry was discovered by James Watt in the year
If θ₁ and θ₂ are the angles of elevation from A to the top and bottom of a vertically held rod of length S at B, the horizontal distance AB is
Designation of a curve is made by
A is the angle of deflection of a simple curve of radius R. Then length of its long chord, is
The area of any irregular figure of plotted map is measured with
ABCD is a rectangular plot of land. If the bearing of the side AB is 75°, the bearing of DC is
The reduced level of a floor is 100.00 the staff reading on the floor is 1.500 From the same station the inverted staff reading taken on the bottom of roof slab is 1.800 The bottom level of roof slab is
The brick laid with its length parallel to the face of wall is known as
9cm x 9cm side of the brick as seen in the wall face is generally known as
The vertical sides of door and window openings provided in a wall are known as
Exposed portions of a vertical surface at right angles to window frame, are known as
The type of bond in which every course contains both headers and stretchers, is called
To construct a 10cm thick partition wall, you will prefer
The header bond is generally used for
A covering concrete placed on the exposed top of an exterior wall is known as
The type of masonry in which stones of same height are laid in layers, is called
Stone masonry of finely dressed stones laid in cement mortar or lime mortar, is
A wall constructed to protect natural slope of earth, is known as
For one cubic meter, 1: 2: 4 concrete using 20 mm metal, the quantity of coarse aggregate required is
The whole circle bearing of a line is 230°, its Quadrantal bearing is :A. -
If the fore bearing and back bearing of a line do not differ by 180°, then either one or both the ends of line, are affected by :A.
Which one of the following is not a working operation of a plane table
Finding the location of the station occupied by the table on the paper, by means of sighting to two well defined points whose locations have previously been plotted on the paper, is known as
A leveling instrument, consisting a telescope attached with level tube which can be tilted within a few degrees in a vertical plane by a tilting screw is known as
The permissible closing error in levelling survey is
Making the axis of the bubble tube perpendicular to vertical axis of the level is
The shortest horizontal distance between two consecutive contours, is called
The imaginary line lying throughout on the surface of the earth and preserving a constant inclination to the horizontal, is known as:
In a land measuring metric chain the ends of link is connected by
The sketch drawn by the surveyor during reconnaissance showing the positions of stations survey lines and their directions and the important features is known as
The use of an optical square is
When it is not possible to set up the level midway between two points. The method of leveling to carry forward the levels on the other side of the obstruction is called :
One of the methods to set out a perpendicular to the chain line is 3-4-5 method, another method identical to 3-4-5 method is