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 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 cos H = tan φ . cot δ sin H = tan φ . cot δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The station which is selected close to the main triangulation station, to avoid intervening obstruction, is not known as False station Pivot station Eccentric station Satellite station False station Pivot station Eccentric station Satellite station 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 β/S h tan α/S h (tan α - tan β)/S h (tan α + tan β)/S h tan β/S h tan α/S h (tan α - tan β)/S ANSWER DOWNLOAD EXAMIANS APP
Surveying The adjustment of horizontal cross hair is required particularly when the instrument is used for leveling All of these prolonging a straight line measurement of horizontal angles leveling All of these prolonging a straight line measurement of horizontal angles ANSWER DOWNLOAD EXAMIANS APP
Surveying The Polaris describes a small circle round the pole whose radius is approximately 1° 2° 4° 3° 1° 2° 4° 3° ANSWER DOWNLOAD EXAMIANS APP
Surveying If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference toi) altitude bubble on index frameii) altitude bubble on index frame if it is to be used as a leveliii) altitude bubble on telescopeiv) altitude bubble on telescope if it is to be used as a level The correct answer is both (ii) and (iii) only (i) both (i) and (iv) only (iii) both (ii) and (iii) only (i) both (i) and (iv) only (iii) ANSWER DOWNLOAD EXAMIANS APP
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