Surveying
If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference toi) altitude bubble on index frameii) altitude bubble on index frame if it is to be used as a leveliii) altitude bubble on telescopeiv) altitude bubble on telescope if it is to be used as a levelThe correct answer is

only (iii)
both (i) and (iv)
only (i)
both (ii) and (iii)

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Theodolite is an instrument used for

measurement of both horizontal and vertical angles
measurement of vertical angles only
measurement of horizontal angles only
tightening the capstan-headed nuts of level tube

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Homologous points are

Nodal points of the camera lens
Opposite corners of a photograph
Corresponding points on the ground and photograph
Plumb points of stereo pair of photographs

ANSWER DOWNLOAD EXAMIANS APP

Surveying
In the prismatic compass

the magnetic needle moves with the box
the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction
the magnetic needle and graduated circle do not move with the box
the line of the sight does not move with the box

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Surveying