Surveying If α is the observed altitude, the refraction correction in seconds, is 58 sin α 58" tan α 58" cot α 58 cos α 58 sin α 58" tan α 58" cot α 58 cos α ANSWER DOWNLOAD EXAMIANS APP
Surveying The distance between the projection centre and the photograph, is called Principal line Focal length Isocentric distance Principal distance Principal line Focal length Isocentric distance Principal distance ANSWER DOWNLOAD EXAMIANS APP
Surveying During chaining along a straight line, the . leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is 4 chains 120 m 180m 6 chains 4 chains 120 m 180m 6 chains ANSWER DOWNLOAD EXAMIANS APP
Surveying The main object of the astronomer to obtain Astronomical longitude Astronomical bearing All of these Astronomical latitude Astronomical longitude Astronomical bearing All of these Astronomical latitude 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 removing one or more small circular rings All of these closing the joints of the rings if opened out straightening the links removing one or more small circular rings All 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 azimuth of the star at elongation is given by cos z = sec φ . cos δ tan z = sec φ . cos δ sin z = sec φ . cos δ None of these cos z = sec φ . cos δ tan z = sec φ . cos δ sin z = sec φ . cos δ None of these ANSWER DOWNLOAD EXAMIANS APP
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