Surveying In a spherical triangle ABC, right angled at C, sin b equals cos a sin A sin a cos A tan a cot A cot A tan a cos a sin A sin a cos A tan a cot A cot A tan a ANSWER DOWNLOAD EXAMIANS APP
Surveying If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is 20° 10° 30° 40° 20° 10° 30° 40° ANSWER DOWNLOAD EXAMIANS APP
Surveying The stereo plotting instruments are generally manufactured on the principle of Optical projection All of these Optical mechanism projection Mechanical projection Optical projection All of these Optical mechanism projection Mechanical projection ANSWER DOWNLOAD EXAMIANS APP
Surveying The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as Principal point Plumb point Isocenter Perspective centre Principal point Plumb point Isocenter Perspective centre ANSWER DOWNLOAD EXAMIANS APP
Surveying The process of turning the telescope about the vertical axis in horizontal plane is known as reversing swinging transiting plunging reversing swinging transiting plunging ANSWER DOWNLOAD EXAMIANS APP
Surveying Subtense bar is an instrument used for measurement of horizontal distances in plane areas levelling measurement of angles measurement of horizontal distances in undulated areas measurement of horizontal distances in plane areas levelling measurement of angles measurement of horizontal distances in undulated areas ANSWER DOWNLOAD EXAMIANS APP