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 13° E 23° S 77° N 13° W 13° E 23° S 77° N 13° W 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 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 elevation of the star at elongation is obtained by sin α = cos φ sec δ sin α = sin φ sec δ sin α = cos φ cosec δ sin α = sin φ cosec δ sin α = cos φ sec δ sin α = sin φ sec δ sin α = cos φ cosec δ sin α = sin φ cosec δ ANSWER DOWNLOAD EXAMIANS APP
Surveying Normal tension is that pull which neutralizes the effect due to pull and sag is used at the time of standardising the tape makes the correction due to pull equal to zero makes the correction due to sag equal to zero neutralizes the effect due to pull and sag is used at the time of standardising the tape makes the correction due to pull equal to zero makes the correction due to sag equal to zero ANSWER DOWNLOAD EXAMIANS APP
Surveying In a truly vertical photograph, Principal point coincides the isocenter All listed here Plumb point coincides the principal point Iso-centre coincides the plumb point Principal point coincides the isocenter All listed here Plumb point coincides the principal point Iso-centre coincides the plumb point ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be neutralised by setting the level midway between the two stations ? None of these error due to curvature only error due to refraction only error due to both curvature and re-fraction None of these error due to curvature only error due to refraction only error due to both curvature and re-fraction ANSWER DOWNLOAD EXAMIANS APP
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