211. Permanent adjustments of a level are
A. 2 in number
B. 3 in number
C. 4 in number
D. 6 in number.
212. Planimeter is used for measuring
A. volume
B. area
C. contour gradient
D. slope angle
213. Number of subdivisions per metre length of a levelling staff is
A.100
B.200
C.500
D.1000
214. Number of links per metre length of a chain are
A.2
B.5
C.8
D.10
215. Cr s-staff is used for
A. settin ut right angles
B. measurin ontour gradient
C. taking levels
D. measuring distanes
216. Pantagraph is used for
A. measuring distances
B. masring areas
C. enlarging or reducing plans
D. settin ut right angles.
217. In chain surveying, perpendiculars to the ain line, are set out by
A. a theodolite
B. a prismatic compass
C. a level
D. an optical square.
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