Surveying
In the cross-section method of indirect contouring, the spacing of cross-sections depends uponi) contour intervalii) scale of planiii) characteristics of groundThe correct answer is

(ii) and (iii)
(i), (ii) and (iii)
(i) and (ii)
only (i)

ANSWER DOWNLOAD EXAMIANS APP

Surveying
The length of a chain is measured from

outside of one handle to inside of other handle
outside of one handle to outside of other handle
centre of one handle to centre of other handle
inside of one handle to inside of other handle

ANSWER DOWNLOAD EXAMIANS APP

Surveying
The error due to eccentricity of inner and outer axes can be eliminated by

double sighting
taking mean of several readings distributed over different portions of the graduated circle
reading both verniers and taking the mean of the two
taking both face observations and taking the mean of the two

ANSWER DOWNLOAD EXAMIANS APP