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 cos H = tan φ . cot δ sin H = tan φ . cot δ None of these tan H = tan φ . cot δ cos H = tan φ . cot δ sin H = tan φ . cot δ None of these tan H = tan φ . cot δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The Polaris describes a small circle round the pole whose radius is approximately 2° 1° 4° 3° 2° 1° 4° 3° ANSWER DOWNLOAD EXAMIANS APP
Surveying The declination and right ascension of the sun becomes 23° 27' N and 90° respectively on March 21 December 22 June 21 September 21 March 21 December 22 June 21 September 21 ANSWER DOWNLOAD EXAMIANS APP
Surveying The length of a parallel of λ latitude between two meridians is equal to difference in longitudes multiplied by tan λ sin λ cot λ cos λ tan λ sin λ cot λ cos λ ANSWER DOWNLOAD EXAMIANS APP
Surveying While making astronomical observations, the observer is mainly concerned with The direction of the star from the instrument All listed here The direction of the vertical, the axis of rotation of the instrument The direction of the poles of the celestial sphere The direction of the star from the instrument All listed here The direction of the vertical, the axis of rotation of the instrument The direction of the poles of the celestial sphere ANSWER DOWNLOAD EXAMIANS APP
Surveying Contour interval is Larger for accurate works Larger if the time available is more Directly proportional to the flatness of ground Inversely proportional to the scale of the map Larger for accurate works Larger if the time available is more Directly proportional to the flatness of ground Inversely proportional to the scale of the map ANSWER DOWNLOAD EXAMIANS APP
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