Surveying If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be f sec θ f sin θ f tan θ f cos θ f sec θ f sin θ f tan θ f cos θ ANSWER DOWNLOAD EXAMIANS APP
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 level The correct answer is both (ii) and (iii) only (iii) only (i) both (i) and (iv) both (ii) and (iii) only (iii) only (i) both (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Surveying The point at which sun's declination changes from north to south, is known as Vernal Equinox Both (B) and (C) of the above First point of Libra First point of Aeries Vernal Equinox Both (B) and (C) of the above First point of Libra First point of Aeries ANSWER DOWNLOAD EXAMIANS APP
Surveying The process of turning the telescope about the vertical axis in horizontal plane is known as reversing transiting swinging plunging reversing transiting swinging plunging ANSWER DOWNLOAD EXAMIANS APP
Surveying The method of surveying by triangulation was first introduced by the Dutchman Snell in 1630 1600 1650 1615 1630 1600 1650 1615 ANSWER DOWNLOAD EXAMIANS APP
Surveying Subtense bar is an instrument used for levelling measurement of horizontal distances in undulated areas measurement of angles measurement of horizontal distances in plane areas levelling measurement of horizontal distances in undulated areas measurement of angles measurement of horizontal distances in plane areas ANSWER DOWNLOAD EXAMIANS APP