Surveying The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as Ground principal point Ground plumb point Iso-centre Perspective centre Ground principal point Ground plumb point Iso-centre Perspective centre ANSWER DOWNLOAD EXAMIANS APP
Surveying For adjusting a quadrilateral whose both the diagonals are observed, the equations of conditions involved, are Two angle equations and two side equations One angle equation and three side equations Three angle equations and one side equation None of these Two angle equations and two side equations One angle equation and three side equations Three angle equations and one side equation None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying In triangulation surveys Control stations are located from which detailed surveys are carried out The area is divided into triangular figures Sides are not measured excepting the base line All listed here Control stations are located from which detailed surveys are carried out The area is divided into triangular figures Sides are not measured excepting the base line All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying On vertical photographs, height displacement is All listed here Negative for points below datum Positive for points above datum Zero for points vertically below the air station All listed here Negative for points below datum Positive for points above datum Zero for points vertically below the air station ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction applied to the measured base of length ‘L’ is All of these Sag = L³w²/24P² where w is the weight of tape/m Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports Tension = (P - Ps)L/AE All of these Sag = L³w²/24P² where w is the weight of tape/m Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports Tension = (P - Ps)L/AE ANSWER DOWNLOAD EXAMIANS APP
Surveying Systematic errors All listed here Always follow some definite mathematical law Can be removed by applying corrections to the observed values Are also known as cumulative errors All listed here Always follow some definite mathematical law Can be removed by applying corrections to the observed values Are also known as cumulative errors ANSWER DOWNLOAD EXAMIANS APP