10.

11.

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. The curvature of the earth’s surface is taken into account only if the extent of

survey is more than

A) 260 sq. km B) 160 sq. km C) 60 sq. km D) 600 sq. km
. Principle of surveying followed to prevent accumulation of errors is

A) To work from part to whole B) To work from whole to part

C) Both A) and B) D) None of these
. Error due to bad ranging is

A) Cumulative positive B) Cumulative negative

C) Compensating D) Both A) and B)

. A well-conditioned triangle has angles not less than and more than respectively

A) 20° and 120° B) 90° and 120° C) 10° and 90° D) None of these

. Number of links in a 30 m metric chain is

A) 150 B) 100 C) 200 D) 180

‎If magnetic bearing of sun at noon at a place in southern hemisphere is 150°, then‏ ۔

‎magnetic declination at that place is

‎A) 20°E B) 30°E 00 0 D) 20° W
. Two-point problem and three-point problem are method of

‎A) Resection B) Orientation

‎C) Orientation and resection D) None of these

‎. Which is an odd instrument with regards to levelling ?

‎A) Clinometer B) Planimeter
C) Altimeter D) Abney hand level
. The method of levelling used to carry out the reconnaissance of area is
A) Profile levelling B) Check levelling
C) Fly levelling D) Simple levelling
A series of closely spaced contour lines represents a
A) Horizontal surface B) Steep slope
C) Uniform slope D) Gentle slope
The theodolite is an instrument used for measuring very accurately
A) Vertical angles only B) Horizontal angles only
C) Horizontal and vertical angles D) Linear measurements