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 The type of surveying which requires least office work is tacheomefry trigonometrical levelling plane table surveying theodolite surveying tacheomefry trigonometrical levelling plane table surveying theodolite surveying ANSWER DOWNLOAD EXAMIANS APP
Surveying The altitude of a circumpolar star is maximum when it is At west elongation At upper culmination At lower culmination At east elongation At west elongation At upper culmination At lower culmination At east elongation ANSWER DOWNLOAD EXAMIANS APP
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 52 m 72 m 82 m 62 m 52 m 72 m 82 m 62 m 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 Plumb point Perspective centre Principal point Isocenter Plumb point Perspective centre Principal point Isocenter ANSWER DOWNLOAD EXAMIANS APP
Surveying The declination and right ascension of the sun becomes 23° 27' S and 270° respectively on June 21 September 21 March 21 December 22 June 21 September 21 March 21 December 22 ANSWER DOWNLOAD EXAMIANS APP
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