SURVEYING Questions

a) error due to horizontal axis not being perpendicular to the vertical axis b) index error i.e. error due to […]

a) line ranger b) steel tape c) optical square d) cross staff Ans: a

a) tightening the capstan-headed nuts of level tube b) measurement of horizontal angles only c) measurement of vertical angles only

a) increase b) decrease c) not change d) either ‘a’ or ‘b’ Ans: a

a) straightening the links b) removing one or more small circular rings c) closing the joints of the rings if

i) Centering ii) Levelling iii) Focusing the prism The correct order is a) (0, (iii), 00 b) (0, (ii), (iii)

a) horizontal line b) line parallel to the mean spheriodal surface of earth c) line passing through the center of

a) The true meridians at different places are parallel to each other. b) The true meridian at any place is

a) on its outer spindle with a relative motion between the vernier and graduated scale of lower plate b) on

a) concave b) convex c) plano-convex d) plano-concave Ans: a

a) is lighter than chain b) is easier to handle c) is practically inextensible and is not liable to kinks

a) transiting b) reversing c) plunging d) swinging Ans: d

a) foresight only b) backsight only c) foresight and backsight d) foresight and intermediate sight Ans: c

a) ±2 mm b) ±3 mm c) ±5 mm d) ±8 mm Ans: c

a) centre of one handle to centre of other handle b) outside of one handle to outside of other handle