Surveying The scale of a tilted photograph of focal length f, taken from an altitude H, along the plate parallel through plumb point, is f/H cos ½θ f sec θ/H f/H sec θ f/H f/H cos ½θ f sec θ/H f/H sec θ f/H ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following is not used in measuring perpendicular offsets ? optical square line ranger steel tape cross staff optical square line ranger steel tape cross staff ANSWER DOWNLOAD EXAMIANS APP
Surveying Intersection method of detailed plotting is most suitable for plains urban areas forests hilly areas plains urban areas forests hilly areas ANSWER DOWNLOAD EXAMIANS APP
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 Both (A) and (B) Neither (A) nor (B) Parallel to base line Normal to base line Both (A) and (B) Neither (A) nor (B) Parallel to base line ANSWER DOWNLOAD EXAMIANS APP
Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.64 sq km 0.56 sq km 0.60 sq km 0.50 sq km 0.64 sq km 0.56 sq km 0.60 sq km 0.50 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying The line of collimation method of reduction of levels, does not provide a check on Intermediate sights Reduced levels Back sights Fore sights Intermediate sights Reduced levels Back sights Fore sights ANSWER DOWNLOAD EXAMIANS APP