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 sin H = tan φ . cot δ cos H = tan φ . cot δ tan H = tan φ . cot δ None of these sin H = tan φ . cot δ cos H = tan φ . cot δ tan H = tan φ . cot δ None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The stereo plotting instruments are generally manufactured on the principle of Optical mechanism projection Mechanical projection Optical projection All of these Optical mechanism projection Mechanical projection Optical projection All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying Triangulation surveys are carried out for locating Control points for photogrammetric surveys All of these Control points for surveys of large areas Engineering works, i.e. terminal points of long tunnels, bridge abutments, etc. Control points for photogrammetric surveys All of these Control points for surveys of large areas Engineering works, i.e. terminal points of long tunnels, bridge abutments, etc. 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 0.60 sq km 0.56 sq km 0.64 sq km 0.50 sq km 0.60 sq km 0.56 sq km 0.64 sq km 0.50 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at that place is 23° S 13° W 13° E 77° N 23° S 13° W 13° E 77° N ANSWER DOWNLOAD EXAMIANS APP
Surveying Overturning of vehicles on a curve can be avoided by using compound curve reverse curve vertical curve transition curve compound curve reverse curve vertical curve transition curve ANSWER DOWNLOAD EXAMIANS APP