Surveying For a line AB the forebearing of AB and back bearing of AB differ by 180° the forebearing of AB and back bearing of BA differ by 180° none is correct both (A) and (B) are correct the forebearing of AB and back bearing of AB differ by 180° the forebearing of AB and back bearing of BA differ by 180° none is correct both (A) and (B) are correct ANSWER DOWNLOAD EXAMIANS APP
Surveying If the length of a chain is found to be short on testing, it can be adjusted by 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 removing one or more small circular rings closing the joints of the rings if opened out All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying In the double application of principle of reversion, the apparent error is four times the true error equal to true error half the true error two times the true error four times the true error equal to true error half the true error two times the true error ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following methods of contouring is most suitable for a hilly terrain? Cross-sections method Square method Direct method Tachometric method Cross-sections method Square method Direct method Tachometric method ANSWER DOWNLOAD EXAMIANS APP
Surveying While making astronomical observations, the observer is mainly concerned with The direction of the vertical, the axis of rotation of the instrument The direction of the poles of the celestial sphere All listed here The direction of the star from the instrument The direction of the vertical, the axis of rotation of the instrument The direction of the poles of the celestial sphere All listed here The direction of the star from the instrument ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference between a level line and a horizontal line is that level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line horizontal line is normal to plumb line while level line may not be normal to the plumb line both are same level line is a curved line while hori-zontal line is a straight line level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line horizontal line is normal to plumb line while level line may not be normal to the plumb line both are same level line is a curved line while hori-zontal line is a straight line ANSWER DOWNLOAD EXAMIANS APP