**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 45^{0}

B) At an angle of 60^{0}

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) 1/4^{th} silver and 3/4^{th} unsilvered

D) Half silvered and half unsilvered

**Option (A)**

**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)**