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 sin θ f sec θ f tan θ f cos θ f sin θ f sec θ f tan θ f cos θ ANSWER DOWNLOAD EXAMIANS APP
Surveying If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at that place is 13° W 13° E 77° N 23° S 13° W 13° E 77° N 23° S ANSWER DOWNLOAD EXAMIANS APP
Surveying Assuming human normal vision distance 25 cm, smallest measurable angle 20", and intraocular distance 6.5 cm, the smallest depth to be discerned is 1.1 mm 1.00 mm 0.1 mm 0.5 mm 1.1 mm 1.00 mm 0.1 mm 0.5 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as Ground principal point Ground plumb point Perspective centre Iso-centre Ground principal point Ground plumb point Perspective centre Iso-centre ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle between the axis of earth and the vertical at the station of observation is called Astronomical latitude Astronomical co-latitude Co-declination of star Declination of star Astronomical latitude Astronomical co-latitude Co-declination of star Declination of star ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be neutralised by setting the level midway between the two stations ? None of these error due to curvature only error due to refraction only error due to both curvature and re-fraction None of these error due to curvature only error due to refraction only error due to both curvature and re-fraction ANSWER DOWNLOAD EXAMIANS APP
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