Surveying The rate of change of parallax dp/dh with respect to change in h, may be expressed as fB/(H - h) fB/(H + h)² fB/(H + h) fB/(H - h)² fB/(H - h) fB/(H + h)² fB/(H + h) fB/(H - h)² ANSWER DOWNLOAD EXAMIANS APP
Surveying For a line AB the forebearing of AB and back bearing of BA differ by 180° both (A) and (B) are correct the forebearing of AB and back bearing of AB differ by 180° none is correct the forebearing of AB and back bearing of BA differ by 180° both (A) and (B) are correct the forebearing of AB and back bearing of AB differ by 180° none is correct ANSWER DOWNLOAD EXAMIANS APP
Surveying The elevation of the star at elongation is obtained by 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 sin α = cos φ sec δ sin α = sin φ sec δ sin α = cos φ cosec δ 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 sin H = tan φ . cot δ tan H = tan φ . cot δ cos H = tan φ . cot δ None of these sin H = tan φ . cot δ tan H = tan φ . cot δ cos H = tan φ . cot δ None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as Perspective centre Plumb point Isocenter Principal point Perspective centre Plumb point Isocenter Principal point 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 Conditional equation None of these Normal equation Observation equation Conditional equation None of these Normal equation Observation equation ANSWER DOWNLOAD EXAMIANS APP