Surveying Agate cap is fitted with a chain cross staff level prismatic compass chain cross staff level prismatic compass 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 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 angle of intersection of the two plane mirrors of an optical square is 60° 45° 30° 90° 60° 45° 30° 90° ANSWER DOWNLOAD EXAMIANS APP
Surveying If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is 20° 40° 30° 10° 20° 40° 30° 10° ANSWER DOWNLOAD EXAMIANS APP
Surveying Accidental errors All of these Do not follow any definite mathematical law Are generally small Cannot be removed by applying corrections to the observed values All of these Do not follow any definite mathematical law Are generally small Cannot be removed by applying corrections to the observed values ANSWER DOWNLOAD EXAMIANS APP
Surveying Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year Once Twice Thrice Four times Once Twice Thrice Four times ANSWER DOWNLOAD EXAMIANS APP