Q.1) In order to determine the natural features such as valleys, rivers, lakes etc. the surveying preferred is –
A) City surveying
B) Location surveying
C) Cadastral surveying
D) Topographical surveying
Option (D)
Q.2) The correction to be applied to each 30 m chain for a line measured along a slope of ϴ is –
A) 30 (1 – sin ϴ)
B) 30 (1 – cos ϴ)
C) 30 (1 – tanϴ)
D) 30 (1 – cotϴ)
Option (B)
Q.3) The error in measured length due to sag of chain or tape is known as –
A) Positive error
B) Negative error
C) Compensating error
D) Instrumental error
Option (A)
Q.4) The tension at which the effects of pull and sag for a tape are neutralised is known as –
A) Initial tension
B) Absolute tension
C) Surface tension
D) Normal tension
Option (D)
Q.5) The adjustable cross staff is used for setting out an offset –
A) At an angle of 450
B) At an angle of 600
C) At a right angle
D) At any angle
Option (D)
Q.6) The index glass in an optical square is –
A) Wholly silvered
B) Wholly unsilvered
C) 1/4th silver and 3/4th unsilvered
D) Half silvered and half unsilvered
Option (A)
Q.7) The horizontal angle between the true meridian and magnetic meridian is known as –
A) True bearing
B) Dip
C) Local attraction
D) Magnetic declination
Option (D)
Q.8) The theodolite is an instrument used for measuring very accurately –
A) Horizontal angles only
B) Vertical angles only
C) Horizontal and Vertical angles
D) Linear measurements
Option (C)
Q.9) An imaginary line joining the point of intersection of the cross-hairs of the diaphgram and the optical centre of the object glass, is known as –
A) Fundamental line
B) Axis of telescope
C) Axis of level tube
D) Line of collimation
Option (D)
Q.10) A staff reading take on a bench mark or a point of known elevation is called –
A) Fore sight reading
B) Back sight reading
C) Intermediate reading
D) None of the above
Option (B)
Q.11) The error which is not completely eliminated in reciprocal levelling is –
A) Error due to curvature
B) Error due to refraction
C) Error due to non-adjustment of the line of collimation
D) Error due to non-adjustment of bubble tube
Option (B)
Q.12) The line joining the points having the same elevation above the datum surface, is called a –
A) Contour surface
B) Contour line
C) Contour interval
D) Contour gradient
Option (B)
Q.13) The horizontal distance between any two consecutive contours is called –
A) Vertical equivalent
B) Horizontal equivalent
C) Contour interval
D) Contour gradient
Option (B)
Q.14) The plotting of small areas which can be commanded from a single station, is usually done on the plane table by the method of –
A) Radiation
B) Intersection
C) Traversing
D) Resection
Option (A)
Q.15) When the centres of the arcs lie on the opposite sides of the common tangent at the junction of the two curves, it is known as –
A) Simple curve
B) Vertical curve
C) Compound curve
D) Reverse curve
Option (D)
Q.16) A branch of surveying in which the horizontal and vertical distances of points are obtained by instrumental observations, is known as –
A) Chain surveying
B) Plane table surveying
C) Tacheometric surveying
D) Hydrographic surveying
Option (C)
Q.17) The principle of tacheometry is used –
A) For locating contours
B) On hydrographic surveys
C) For filling in detail in topographic surveys
D) All of the above
Option (D)
Q.18) A scale which has a common representative fraction, but read in different measures is called a –
A) Plain scale
B) Diagonal scale
C) Shrunk scale
D) Comparative scale
Option (D)
Q.19) The principle of optics used in construction of an optical square is –
A) Reflection
B) Double reflection
C) Refraction
D) Double refraction
Option (B)
Q.20) If ‘n’ is the number of sides then the total sum of exterior angles of a closed traverse should be –
A) n + 2
B) 2n – 4
C) 2n + 4
D) 4n – 2
Option (C)
