Main principle of survey is
(a) To work from whole to the part
(b) From part to whole
(c) Only whole
(d) Only part
Working edge of alidade is known as
(a) Ebonite edge
(b) Fiducial edge
(c) Straight edge
(d) Graduated edge
The error due to bad ranging is
(a) Camulative error
(b) Compensating error
(c) Sometimes cumulative sometimes compensating
(d) Insignificant error
The working principle of optical square is based on
(a) Refraction
(b) Reflection
(c) Double refraction
(d) Double reflection
Total no. of links in 30 m long chain as per Indian standards are
(a) 75
(b) 100
(c) 150
(d) 300
The imaginary line joining points of zero declination on earth surface is
(a) Isogonic line
(b) Isoclinic line
(c) Agonic line
(d) Magnetic declination line
The compass box is made of
(a) Steel
(b) Brass
(c) Iron
(d) Aluminium
At magnetic poles, the dip of magnetic needle is
(a) zero degree
(b) 45 degree
(c) 120 degree
(d) 90 degree
The internal focussing telescope is focussed by operating the lens which is fixed inside the telescope
(a) Convex
(b) Double concave
(c) Plano convex
(d) Plano concave
The rise and fall method of levelling provides a complete check on
(a) Backsight
(b) Foresight
(c) Intermediate sight
(d) All the sights
The surface of still water is considered to be
(a) Level
(b) Horizontal
(c) Curve
(d) Smooth
The use of theodolite is
(a) Prolonging survey lines
(b) Finding difference in elevation
(c) Finding angles between two lines
(d) For all the above metioned works
The six of a theodolite is defined according to the
(a) Diameter of the graduated circle of lower plate
(b) Diameter of graduated circle of the vertical plate
(c) Length of telescope tube
(d) Viewing distance of telescope
Procedure of revolving the telescope through 180 degree in vertical plane on trunion axis is
(a) Transiting
(b) Swinging of telescope
(c) Back sighting
(d) Inverting the telescope
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