MCQ
201. An axis about which the telescope can be rotated in a horizontal plane, is called-
horizontal axis
vertical axis
axis of the level tube
line of collimation
202. If the fore bearing of a line is its back bearing will be
36°15′.
126°15′
143°45′
216°15′
203. The capacity of a telescope producing a sharp image is called its-
definition
brightness
sensitivity
magnification
204. The lines of earth's magnetic field run from-
south to north
north to south
east to west
west to east
205. The direct angles may have any value between-
0° and 90°
0° and 120°
0° and 180°
0° and 360°
206. The axis of telescope level must be - to the line of collimation.
parallel
perpendicular
207. The image formed by the objective in the plane of the cross hair is-
real and straight
real and inverted
virtual and straight
virtual and inverted
208. An angle measured clockwise from the proceeding survey line to the following survey line is called-
direct angle
vertical angle
horizontal angle
deflection angle
209. An angle made by a survey line with the prolongation of the proceeding line, is known as-
direct angle
vertical angle
horizontal angle
deflection angle
210. At the equator, the amount of dip is-
0°
45°
60°
90°
211. The projection of a traverse line on a line parallel to the meridian is known as of the line.
latitude
departure
bearing
none of these
212. In the surveying telescopes, cross hairs are fitted in-
center of the telescope
optical center of the eye piece
front of the eye piece
front of the objective
213. In a whole circle bearing system N25°15′W corresponds to-
115°15′
154°45′
205°15′
334°45′
214. If the fore bearing of a line is 36°15′, its back bearing will be-
36°15′
126°15′
143°45′
216°15′
215. A surface which is normal to the direction of gravity at all points, as indicated by a plumb line, is known as-
datum surface
level surface
horizontal surface
vertical surface
216. When the magnetic bearing of the sun at noon is 185°20′, the magnetic declination will be-
5°20′ east
5°20′ west
5°20′ north
5°20′ south
217. A line normal to the plumb line at all points is known as-
horizontal line
vertical line
level line
line of collimation
218. The horizontal angle between the true meridian and magnetic meridian is known as-
true bearing
dip
local attraction
magnetic declination
219. The traversing by the method of deflection angles is chiefly used in-
canals
highways
railways
all of these
220. The deflection angle may have any value between-
0° and 45°
0°and 90°
0° and 120°
0° and 180°