Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by sin z = sec φ . cos δ None of these cos z = sec φ . cos δ tan z = sec φ . cos δ sin z = sec φ . cos δ None of these cos z = sec φ . cos δ tan z = sec φ . cos δ 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 Isocenter Plumb point Perspective centre Principal point Isocenter Plumb point Perspective centre ANSWER DOWNLOAD EXAMIANS APP
Surveying The elevation of the star at elongation is obtained by sin α = cos φ cosec δ sin α = sin φ sec δ sin α = cos φ sec δ sin α = sin φ cosec δ sin α = cos φ cosec δ sin α = sin φ sec δ sin α = cos φ sec δ sin α = sin φ cosec δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The solar tidal force divided by lunar tidal force is 1/2 5/4 3/4 1/3 1/2 5/4 3/4 1/3 ANSWER DOWNLOAD EXAMIANS APP
Surveying Contour interval is Directly proportional to the flatness of ground Larger for accurate works Inversely proportional to the scale of the map Larger if the time available is more Directly proportional to the flatness of ground Larger for accurate works Inversely proportional to the scale of the map Larger if the time available is more ANSWER DOWNLOAD EXAMIANS APP
Surveying For plane ground the scale of a vertical photograph will be same as that of a tiled photograph along the photo parallel through Isocenter Principal point None of these Plumb point Isocenter Principal point None of these Plumb point ANSWER DOWNLOAD EXAMIANS APP
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