Surveying While making astronomical observations, the observer is mainly concerned with The direction of the star from the instrument The direction of the vertical, the axis of rotation of the instrument All listed here The direction of the poles of the celestial sphere The direction of the star from the instrument The direction of the vertical, the axis of rotation of the instrument All listed here The direction of the poles of the celestial sphere ANSWER DOWNLOAD EXAMIANS APP
Surveying In the cross-section method of indirect contouring, the spacing of cross-sections depends uponi) contour intervalii) scale of planiii) characteristics of groundThe correct answer is (ii) and (iii) (i) and (ii) only (i) (i), (ii) and (iii) (ii) and (iii) (i) and (ii) only (i) (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Surveying α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being ‘S’ and ‘f’ respectively. Parallax displacement of the point due to relief, is h tan α/S h (tan α - tan β)/S h tan β/S h (tan α + tan β)/S h tan α/S h (tan α - tan β)/S h tan β/S h (tan α + tan β)/S ANSWER DOWNLOAD EXAMIANS APP
Surveying The longitudes of two places at latitude 60° N are 93° E and 97° W. Their departure is 500 nautical miles 5700 nautical miles 5100 nautical miles 120 nautical miles 500 nautical miles 5700 nautical miles 5100 nautical miles 120 nautical miles ANSWER DOWNLOAD EXAMIANS APP
Surveying Systematic errors Are also known as cumulative errors Can be removed by applying corrections to the observed values Always follow some definite mathematical law All listed here Are also known as cumulative errors Can be removed by applying corrections to the observed values Always follow some definite mathematical law All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying Sidereal day Is divided into the conventional hours, minutes and seconds Is the period of time taken by the earth in making a complete rotation with reference to stars Is slightly shorter than an ordinary solar day All listed here Is divided into the conventional hours, minutes and seconds Is the period of time taken by the earth in making a complete rotation with reference to stars Is slightly shorter than an ordinary solar day All listed here ANSWER DOWNLOAD EXAMIANS APP
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