Surveying The parallax equation Δp = BmΔh/H - h is applicable to entire overlap of the photographs only if parallax is measured Neither (A) nor (B) Normal to base line Parallel to base line Both (A) and (B) Neither (A) nor (B) Normal to base line Parallel to base line Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Surveying A metallic tape is made of invar linen steel cloth and wires invar linen steel cloth and wires ANSWER DOWNLOAD EXAMIANS APP
Surveying Height of instrument method of levelling is more accurate than rise and fall method less accurate than rise and fall method quicker and less tedious for large number of intermediate sights None of these more accurate than rise and fall method less accurate than rise and fall method quicker and less tedious for large number of intermediate sights None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The suitable contour interval for a map with scale 1 : 10000 is 2 m 10 m 5 m 20 m 2 m 10 m 5 m 20 m ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be f sec θ f sin θ f tan θ f cos θ f sec θ f sin θ f tan θ f cos θ ANSWER DOWNLOAD EXAMIANS APP
Surveying Horizontal distances obtained by thermometric observations do not require slope and tension corrections require tension correction require slope correction require slope and tension corrections do not require slope and tension corrections require tension correction require slope correction require slope and tension corrections ANSWER DOWNLOAD EXAMIANS APP