Surveying Closed contours, with higher value inwards, represent a plain surface None of these hillock depression plain surface None of these hillock depression ANSWER DOWNLOAD EXAMIANS APP
Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 7000 m 6000 m 4000 m 5000 m 7000 m 6000 m 4000 m 5000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying If S is the sum of three angles of a spherical triangle, the spherical excess equals 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 eccentricity of verniers error due to line of collimation not being perpendicular to horizontal axis error due to imperfect adjustment of plate levels error due to imperfect graduations error due to eccentricity of verniers error due to line of collimation not being perpendicular to horizontal axis error due to imperfect adjustment of plate levels ANSWER DOWNLOAD EXAMIANS APP
Surveying A plate parallel is the line on the plane of the negative Along the bisector of the angle between the principal line and a perpendicular line through principal plane Perpendicular to the principal line None of these Parallel to the principal line Along the bisector of the angle between the principal line and a perpendicular line through principal plane Perpendicular to the principal line None of these Parallel to the principal line ANSWER DOWNLOAD EXAMIANS APP
Surveying In a tropical year, the numbers of sidereal days are 365 365.2224 365.2422 366.2422 365 365.2224 365.2422 366.2422 ANSWER DOWNLOAD EXAMIANS APP
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