Q.1) The curvature of earth’s surface is taken into account if the extent of survey is more than –
A) 100 km2
B) 160 km2
C) 500 km2
D) 260 km2
Option (D)
Q.2) The fixed point whose elevation is known, is called –
A) Benchmark
B) Change point
C) Reduced level
D) Station
Option (A)
Q.3) Ranging is defined as –
A) Measuring the distance from starting point
B) Establishing intermediate points on a chain line
C) The distance between end points
D) A point on a chain line
Option (B)
Q.4) The main principle of field surveying is to work from –
A) Higher level to lower level
B) Lower level to higher level
C) Part to whole
D) Whole to part
Option (D)
Q.5) Mean Sea Level (MSL) adopted by India for reference, is located at –
A) Kolkata
B) Mumbai
C) Karachi
D) Delhi
Option (B)
Q.6) Survey line provided to verify the accuracy of the framework is known as –
A) Tie line
B) Base line
C) Subsidiary line
D) Check line
Option (D)
Q.7) Geodetic survey is different from plane surveying because of –
A) Very large area is covered
B) The curvature of earth is considered
C) Undulations of the topography
D) The large difference of elevations
Option (B)
Q.8) Method used for chaining on sloping ground is –
A) By stepping method
B) By hypotenuse allowance method
C) By clinometer method
D) Both stepping method and hypotenuse method
Option (D)
Q.9) Maximum allowable limit up to that a measurement may vary from the true value is known as –
A) Permissible error
B) Residual error
C) Expected error
D) Sale error
Option (A)
Q.10) An angle of 450 with a chain line may be set out with –
A) Optical square
B) Open cross-staff
C) French cross-staff
D) Prismatic square
Option (C)
Q.11) Which of the following scale of the map is not affected due to shrinking of map?
A) Engineer’s scale
B) Graphical scale
C) Representative fraction
D) None of the above
Option (B)
Q.12) The scale in which three successive dimensions can be measured at a time is called –
A) Chord scale
B) Diagonal scale
C) Plain scale
D) Vernier scale
Option (B)
Q.13) Which of the following instrument is used for the measurement of sighting objects in a plane table survey?
A) Alidade
B) Clinometers
C) Cross staff
D) Prism square
Option (A)
Q.14) The principle of working of optical square is based on –
A) Double reflection
B) Double refraction
C) Reflection
D) Refraction
Option (A)
Q.15) When two points of surveying are mutually invisible, then which of the following method of ranging is adopted?
A) Direct ranging
B) Indirect ranging
C) Horizontal ranging
D) Vertical ranging
Option (B)
Q.16) In a theodolite, the line of collimation is –
A) Parallel to axis of plate levels
B) Parallel to the vertical axis
C) Perpendicular to the trunnion axis
D) Parallel to the horizontal axis
Option (D)
Q.17) Which of the following instrument is used for centering the theodolite in windy conditions?
A) Cross staff
B) Optical plummet
C) Optical square
D) Spirit level
Option (B)
Q.18) The method of levelling used to carry out reconnaissance of area is –
A) Check levelling
B) Fly levelling
C) Profile levelling
D) Simple levelling
Option (B)
Q.19) The height of any point w.r.t. Mean Sea Level is called –
A) Bench mark
B) Datum
C) Level surface
D) Reduced level
Option (D)
Q.20) Which of the following represents the CORRECT order of setting up a plane table?
A) Centering, levelling and orientation
B) Centering, orientation and levelling
C) Levelling, centering and orientation
D) Levelling, orientation and centering
Option (A)
