Surveying Height of instrument method of levelling is quicker and less tedious for large number of intermediate sights more accurate than rise and fall method None of these less accurate than rise and fall method quicker and less tedious for large number of intermediate sights more accurate than rise and fall method None of these less accurate than rise and fall method ANSWER DOWNLOAD EXAMIANS APP
Surveying The foot of the perpendicular on the picture plane through the optical centre of the camera lens, is known as Plumb line Perspective centre Isocenter Principal point Plumb line Perspective centre Isocenter Principal point ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction applied to the measured base of length ‘L’ is Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports Tension = (P - Ps)L/AE Sag = L³w²/24P² where w is the weight of tape/m All of these Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports Tension = (P - Ps)L/AE Sag = L³w²/24P² where w is the weight of tape/m All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The elevation of the star at elongation is obtained by sin α = cos φ sec δ sin α = cos φ cosec δ sin α = sin φ sec δ sin α = sin φ cosec δ sin α = cos φ sec δ sin α = cos φ cosec δ sin α = sin φ sec δ sin α = sin φ cosec δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The nautical mile is the length of 1 degree of longitude 1 minute of longitude 1 degree of latitude 1 minute of latitude 1 degree of longitude 1 minute of longitude 1 degree of latitude 1 minute of latitude ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is 1 : 15,000 1 : 10,000 1 : 20,000 1 : 30,000 1 : 15,000 1 : 10,000 1 : 20,000 1 : 30,000 ANSWER DOWNLOAD EXAMIANS APP
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