DGMS SURVEYOR UR COAL EXAM DEC 2021
SURVEYOR UNRESTRICTED COAL 28 DEC 2021
1) A line which is measured in triangulation survey is known as
a) horizontal line
b) base line
c) vertical line
d) a and c
e) all of these
2) One side and the three angles of a triangle be known remaining sides can be computed by ……….. rule
a) sin
b) cos
c) tan
d) cosec
e) sec
3) When total station is sighted to the target, which of the operations acts first
a) Rotation of optical axis
b) Rotation of vertical axis
c) Rotation of horizontal axis
d) Rotation of line of collimation
e) None of these
4) Plane and geodetic surveying are classification of surveying based on
a) Methodology
b) Object of survey
c) Earth’s curvature
d) Instrument
e) Chaining
5) For improved accuracy the included angle is measured by
a) repetition method
b) reltarration method
c) deflection angle method
d) normal method
e) special method
6) The stars which always move above the horizon is called as
a) prime star
b) circumpolar star
c) horizon star
d) culmination star
e) Sirius
7) The areas enclosed between the adjacent survey lines and the curved boundaries are determined by …………..
a) Co-ordinates
b) Average ordinates
c) Ordinates
d) Mid-ordinates
e) None of these
8) The size of a theodolite is defined according to
a) Length of telescope
b) Diameter of object glass
c) Diameter of graduated horizontal circle
d) All of these
e) None of these
9) An excavation is to be made for a resevior 24 m long and 15 m wide at the bottom and 3m, deep. The sides of the excavation slope at 1½ horizontal is 1 vertical. Assume surface of the ground to be level before excavation, calculate the volume of the excavation
a) 1687.50 cum
b) 1700 cum
c) 1678.50 cum
d) 1600 cum
e) 1800 cum
10) Which of the following is used in the formation of the Astronomical triangle.
a) Zenith
b) Meridian
c) Horizon
d) Azimuth
e) Nadir
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