Surveying The flying height of the camera is 1,000 m above mean ground level, the distance of the top of a building from a nadir point is 10 cm and the relief displacement of building is 7.2 mm. The height of the building, is 62 m 82 m 52 m 72 m 62 m 82 m 52 m 72 m ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by tan H = tan φ . cot δ cos H = tan φ . cot δ None of these sin H = tan φ . cot δ tan H = tan φ . cot δ cos H = tan φ . cot δ None of these sin H = tan φ . cot δ ANSWER DOWNLOAD EXAMIANS APP
Surveying With standard meridian as 82° 30' E the standard time at longitude 90° E is 8 h 30 m. The local mean time at the place will be 9 h 00 m 7 h 00 m 7 h 30 m 8 h 00 m 9 h 00 m 7 h 00 m 7 h 30 m 8 h 00 m ANSWER DOWNLOAD EXAMIANS APP
Surveying α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being ‘S’ and ‘f’ respectively. Parallax displacement of the point due to relief, is h (tan α - tan β)/S h (tan α + tan β)/S h tan α/S h tan β/S h (tan α - tan β)/S h (tan α + tan β)/S h tan α/S h tan β/S ANSWER DOWNLOAD EXAMIANS APP
Surveying After fixing the plane table to the tripod, the main operations which are needed at each plane table station are (i) Levelling (ii) Orientation (iii) CenteringThe correct sequence of these operations is (iii), (i), (ii) (ii), (iii), (i) (i), (iii), (ii) (i), (ii), (iii) (iii), (i), (ii) (ii), (iii), (i) (i), (iii), (ii) (i), (ii), (iii) ANSWER DOWNLOAD EXAMIANS APP
Surveying In the double application of principle of reversion, the apparent error is half the true error two times the true error equal to true error four times the true error half the true error two times the true error equal to true error four times the true error ANSWER DOWNLOAD EXAMIANS APP
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