Surveying Which of the following errors can be neutralised by setting the level midway between the two stations ? error due to curvature only error due to refraction only None of these error due to both curvature and re-fraction error due to curvature only error due to refraction only None of these error due to both curvature and re-fraction ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by sin z = sec φ . cos δ None of these cos z = sec φ . cos δ tan z = sec φ . cos δ sin z = sec φ . cos δ None of these cos z = sec φ . cos δ tan z = sec φ . cos δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The graduations in prismatic compassi) are invertedii) are uprightiii) run clockwise having 0° at southiv) run clockwise having 0° at northThe correct answer is (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Surveying The equation which is obtained by multiplying each equation by the coefficient of its unknowns and by adding the equations thus formed, is known as Normal equation None of these Conditional equation Observation equation Normal equation None of these Conditional equation Observation equation ANSWER DOWNLOAD EXAMIANS APP
Surveying The following points form a pair of homologous points: Photo plumb point and ground plumb point Photo principal point and ground principal point All listed here Photo isocenter and ground isocenter Photo plumb point and ground plumb point Photo principal point and ground principal point All listed here Photo isocenter and ground isocenter ANSWER DOWNLOAD EXAMIANS APP
Surveying For which of the following permanent adjustments of theodolite, the spire test is used ? adjustment of plate levels adjustment of line of sight adjustment of altitude bubble and vertical index frame adjustment of horizontal axis adjustment of plate levels adjustment of line of sight adjustment of altitude bubble and vertical index frame adjustment of horizontal axis ANSWER DOWNLOAD EXAMIANS APP