Surveying The scale of a vertical photograph of focal length ‘f’ taken from height of ‘H’ metres above M.S.L., at a point of reduced level ‘h’, is f/H f/(H + h) f/(H - h) (H - h)/f f/H f/(H + h) f/(H - h) (H - h)/f ANSWER DOWNLOAD EXAMIANS APP
Surveying A metallic tape is made of cloth and wires steel linen invar cloth and wires steel linen invar ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be eliminated by taking mean of bot face observations ? error due to imperfect graduations error due to line of collimation not being perpendicular to horizontal axis error due to eccentricity of verniers error due to imperfect adjustment of plate levels error due to imperfect graduations error due to line of collimation not being perpendicular to horizontal axis error due to eccentricity of verniers error due to imperfect adjustment of plate levels ANSWER DOWNLOAD EXAMIANS APP
Surveying ‘H’ is the flying height above mean ground level and ‘f’ is the principal distance of a vertical photograph. The mean scale of the photographs is H + f H. f H/f f/H H + f H. f H/f f/H ANSWER DOWNLOAD EXAMIANS APP
Surveying Longitudes are measured from 0° to 180° westward 360° eastward 180° eastward 180° east or westward 180° westward 360° eastward 180° eastward 180° east or westward ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following methods of offsets involves less measurement on the ground? method of perpendicular offsets method of ties all involve equal measurement on the ground method of oblique offsets method of perpendicular offsets method of ties all involve equal measurement on the ground method of oblique offsets ANSWER DOWNLOAD EXAMIANS APP