Surveying The sensitivity of a bubble tube can be increased by decreasing the radius of curvature of tube increasing the diameter of the tube decreasing the length of bubble increasing the viscosity of liquid decreasing the radius of curvature of tube increasing the diameter of the tube decreasing the length of bubble increasing the viscosity of liquid ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction for sag is always additive always zero always subtractive sometimes additive and sometimes subtractive always additive always zero always subtractive sometimes additive and sometimes subtractive ANSWER DOWNLOAD EXAMIANS APP
Surveying If the general ground level of any area is 10% of the flying height, the principal points may be used as the centers of radial directions for small scale mapping even in tilted photograph up to 4° 2° 1° 3° 4° 2° 1° 3° ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by tan z = sec φ . cos δ cos z = sec φ . cos δ sin z = sec φ . cos δ None of these tan z = sec φ . cos δ cos z = sec φ . cos δ sin z = sec φ . cos δ None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by None of these tan H = tan φ . cot δ cos H = tan φ . cot δ sin H = tan φ . cot δ None of these tan H = tan φ . cot δ cos H = tan φ . cot δ sin H = tan φ . cot δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The instrument used for accurate centering in plane table survey is spirit level trough compass alidade plumbing fork spirit level trough compass alidade plumbing fork ANSWER DOWNLOAD EXAMIANS APP