Q.1) Which of the following instruments is generally used for baseline measurements?
A) Chain
B) Metallic tape
C) Steel tape
D) Invar tape
Option (D)
Q.2) The position of a point can be fixed more accurately by –
A) Cross staff
B) Optical square
C) Oblique offsets
D) Perpendicular offsets
Option (D)
Q.3) In the prismatic compass –
A) The magnetic needle moves with the box
B) The line of the sight does not move with the box
C) The magnetic needle and graduated circle do not move with the box
D) The graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction.
Option (C)
Q.4) The horizontal angle between the true meridian and magnetic meridian at a place is called –
A) Azimuth
B) Declination
C) Local attraction
D) Magnetic bearing
Option (B)
Q.5) Size of theodolite is specified by –
A) The length of telescope
B) The diameter of vertical circle
C) The diameter of lower plate
D) The diameter of upper plate
Option (C)
Q.6) Height of instrument method of levelling is –
A) More accurate than rise and fall
B) Less accurate than rise and fall
C) Quicker and less tedious for large number of intermediate sights
D) None of the above
Option (C)
Q.7) Sensitiveness of a level tube is designated by –
A) Radius of level tube
B) Length of level tube
C) Length of bubble of level tube
D) None of the above
Option (A)
Q.8) In direct method of contouring, the process of locating or identifying points lying on a contour is called –
A) Ranging
B) Centering
C) Horizontal control
D) Vertical control
Option (D)
Q.9) The instrument used for accurate centering in plane table survey is –
A) Spirit level
B) Alidade
C) Plumbing fork
D) Trough compass
Option (C)
Q.10) Overturning of vehicles on a curve can be avoided by using –
A) Compound curve
B) Vertical curve
C) Reverse curve
D) Transition curve
Option (D)
Q.11) Agonic line is the line joining points having –
A) Zero declination
B) Minimum declination
C) Maximum declination
D) Same declination
Option (A)
Q.12) The tilt displacement in an aerial photography is radial from –
A) Plumb point
B) Isocentre point
C) Principal point
D) Nadir point
Option (B)
Q.13) Which one of the following methods estimates best the area of an irregular and curved boundary?
A) Trapezoidal method
B) Simpson’s method
C) Average ordinate method
D) Mid-ordinate method
Option (B)
Q.14) To determine the length of a bridge proposed to be built across a wide river, the surveying method of choice would be :
A) Tacheometry
B) Chain surveying
C) Hydrographic surveying
D) Triangulation
Option (D)
Q.15) The number of independent conditions required to be satisfied for the adjustment of a braced quadrilateral in triangulation survey is :
A) 2
B) 4
C) 6
D) 8
Option (C)
Q.16) Which one of the following instruments is used in Plane Table surveying for the measurement of horizontal and vertical distances directly?
A) Plain Alidade
B) Telescopic Alidade
C) Tacheometer
D) Clinometer
Option (A)
Q.17) Mean Sea Level at any place is the average datum of hourly tide heights observed over a period of nearly :
A) 5 years
B) 10 years
C) 20 years
D) 50 years
Option (C)
Q.18) Detailed plotting is generally done by :
A) Radiation
B) Traversing
C) Resection
D) All of the above
Option (A)
Q.19) Horizontal distances obtained by tacheometric observations –
A) Require slope correction
B) Require tension correction
C) Require slope and tension corrections
D) Do not require slope and tension corrections
Option (D)
Q.20) Benchmark is established by :
A) Hypsometry
B) Barometric levelling
C) Spirit levelling
D) Trigonometrical levelling
Option (C)
