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 Different grades are joined together by a Compound curve Transition curve Reverse curve Vertical curve Compound curve Transition curve Reverse curve Vertical curve ANSWER DOWNLOAD EXAMIANS APP
Surveying The principal plane contains Iso-centre Nadir point All of these Principal point Iso-centre Nadir point All of these Principal point ANSWER DOWNLOAD EXAMIANS APP
Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.50 sq km 0.60 sq km 0.64 sq km 0.56 sq km 0.50 sq km 0.60 sq km 0.64 sq km 0.56 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying The altitude of a circumpolar star is maximum when it is At west elongation At east elongation At upper culmination At lower culmination At west elongation At east elongation At upper culmination At lower culmination ANSWER DOWNLOAD EXAMIANS APP
Surveying The foot of the perpendicular on the picture plane through the optical centre of the camera lens, is known as Plumb line Principal point Perspective centre Isocenter Plumb line Principal point Perspective centre Isocenter ANSWER DOWNLOAD EXAMIANS APP
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