Surveying If α is the observed altitude, the refraction correction in seconds, is 58" tan α 58 sin α 58" cot α 58 cos α 58" tan α 58 sin α 58" cot α 58 cos α ANSWER DOWNLOAD EXAMIANS APP
Surveying Longitudes are measured from 0° to 180° westward 360° eastward 180° eastward 180° east or westward 180° westward 360° eastward 180° eastward 180° east or westward ANSWER DOWNLOAD EXAMIANS APP
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 tan H = tan φ . cot δ None of these cos H = tan φ . cot δ sin H = tan φ . cot δ tan H = tan φ . cot δ None of these cos H = tan φ . cot δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The horizontal angle between the true meridian and magnetic meridian at a place is called magnetic bearing azimuth declination local attraction magnetic bearing azimuth declination local attraction ANSWER DOWNLOAD EXAMIANS APP
Surveying Different grades are joined together by a Reverse curve Transition curve Compound curve Vertical curve Reverse curve Transition curve Compound curve Vertical curve ANSWER DOWNLOAD EXAMIANS APP
Surveying The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called True horizon Celestial horizon Rational horizon All of these True horizon Celestial horizon Rational horizon All of these ANSWER DOWNLOAD EXAMIANS APP
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