Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 7000 m 6000 m 5000 m 4000 m 7000 m 6000 m 5000 m 4000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying If the length of a chain is found to be short on testing, it can be adjusted by removing one or more small circular rings closing the joints of the rings if opened out All of these straightening the links removing one or more small circular rings closing the joints of the rings if opened out All of these straightening the links ANSWER DOWNLOAD EXAMIANS APP
Surveying The point on the celestial sphere vertically below the observer's position, is called Zenith Pole Nadir Celestial point Zenith Pole Nadir Celestial point ANSWER DOWNLOAD EXAMIANS APP
Surveying Agate cap is fitted with a level chain prismatic compass cross staff level chain prismatic compass cross staff ANSWER DOWNLOAD EXAMIANS APP
Surveying A negative declination shows that the magnetic meridian is to the eastern side of the true meridian southern side of the true meridian None of these western side of the true meridian eastern side of the true meridian southern side of the true meridian None of these western side of the true meridian 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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