Surveying The parallax equation Δp = BmΔh/H - h is applicable to entire overlap of the photographs only if parallax is measured Normal to base line Parallel to base line Neither (A) nor (B) Both (A) and (B) Normal to base line Parallel to base line Neither (A) nor (B) Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Surveying The point where vertical line passing through the perspective centre intersects the plane of the photograph, is known as Nadir point Isocenter Plumb point Photo plumb point Nadir point Isocenter Plumb point Photo plumb point ANSWER DOWNLOAD EXAMIANS APP
Surveying The permissible error in chaining for measurement with chain on rough or hilly ground is 1 in 500 1 in 250 1 in 1000 1 in 100 1 in 500 1 in 250 1 in 1000 1 in 100 ANSWER DOWNLOAD EXAMIANS APP
Surveying If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is 20° 40° 10° 30° 20° 40° 10° 30° ANSWER DOWNLOAD EXAMIANS APP
Surveying If the length of a chain is found to be short on testing, it can be adjusted by closing the joints of the rings if opened out straightening the links All of these removing one or more small circular rings closing the joints of the rings if opened out straightening the links All of these removing one or more small circular rings ANSWER DOWNLOAD EXAMIANS APP
Surveying The error due to eccentricity of inner and outer axes can be eliminated by taking both face observations and taking the mean of the two taking mean of several readings distributed over different portions of the graduated circle reading both verniers and taking the mean of the two double sighting taking both face observations and taking the mean of the two taking mean of several readings distributed over different portions of the graduated circle reading both verniers and taking the mean of the two double sighting ANSWER DOWNLOAD EXAMIANS APP
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