Surveying Which of the following errors cannot be eliminated by taking both face observations ? error due to non-parallelism of the axis of telescope level and line of collimation index error i.e. error due to imperfect adjustment of the vertical circle vernier None of these error due to horizontal axis not being perpendicular to the vertical axis error due to non-parallelism of the axis of telescope level and line of collimation index error i.e. error due to imperfect adjustment of the vertical circle vernier None of these error due to horizontal axis not being perpendicular to the vertical axis 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 Isocenter Plumb point Principal point Perspective centre Isocenter Plumb point Principal point Perspective centre ANSWER DOWNLOAD EXAMIANS APP
Surveying The maximum tolerance in a 20 m chain is ±8 mm ±3 mm ±2 mm ±5 mm ±8 mm ±3 mm ±2 mm ±5 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying The permissible error in chaining for measurement with chain on rough or hilly ground is 1 in 1000 1 in 250 1 in 100 1 in 500 1 in 1000 1 in 250 1 in 100 1 in 500 ANSWER DOWNLOAD EXAMIANS APP
Surveying An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as contour line contour interval horizontal equivalent contour gradient contour line contour interval horizontal equivalent contour gradient ANSWER DOWNLOAD EXAMIANS APP
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)² fB/(H - h) fB/(H + h) fB/(H - h)² fB/(H + h)² fB/(H - h) ANSWER DOWNLOAD EXAMIANS APP
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