Surveying If ‘δ’ is the declination of the Polaris and ‘λ’ is the latitude of the place, the azimuth of the Polaris, is tan (90° + δ)/tan (90° + λ) sin (90° - δ)/sin (90° - λ) cos δ/cos λ cos (90° - δ)/cos (90° - λ) tan (90° + δ)/tan (90° + λ) sin (90° - δ)/sin (90° - λ) cos δ/cos λ cos (90° - δ)/cos (90° - λ) ANSWER DOWNLOAD EXAMIANS APP
Surveying Check lines (or proof lines) in Chain Surveying, are essentially required To plot the chain lines To indicate the accuracy of the survey work To increase the out-turn To plot the offsets To plot the chain lines To indicate the accuracy of the survey work To increase the out-turn To plot the offsets ANSWER DOWNLOAD EXAMIANS APP
Surveying For accurate work, the steel band should always be used in preference to chain because the steel band is practically inextensible and is not liable to kinks when in use is lighter than chain can be easily repaired in the field is easier to handle is practically inextensible and is not liable to kinks when in use is lighter than chain can be easily repaired in the field is easier to handle ANSWER DOWNLOAD EXAMIANS APP
Surveying There are two stations A and B. Which of the following statements is correct? All listed here The back bearing of AB is BA The fore and back bearings of AB differ by 180° The fore bearing of AB is AB All listed here The back bearing of AB is BA The fore and back bearings of AB differ by 180° The fore bearing of AB is AB ANSWER DOWNLOAD EXAMIANS APP
Surveying Sensitiveness of a level tube is designated by length of level tube None of these radius of level tube length of bubble of level tube length of level tube None of these radius of level tube length of bubble of level tube ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be neutralised by setting the level midway between the two stations ? error due to refraction only error due to both curvature and re-fraction error due to curvature only None of these error due to refraction only error due to both curvature and re-fraction error due to curvature only None of these ANSWER DOWNLOAD EXAMIANS APP
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