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 5000 m 6000 m 4000 m 7000 m 5000 m 6000 m 4000 m 7000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The moon rotates round the earth once in every 29.35 days 29.53 days 30 days 29 days 29.35 days 29.53 days 30 days 29 days ANSWER DOWNLOAD EXAMIANS APP
Surveying If the length of a chain is found to be short on testing, it can be adjusted by All of these closing the joints of the rings if opened out removing one or more small circular rings straightening the links All of these closing the joints of the rings if opened out removing one or more small circular rings straightening the links ANSWER DOWNLOAD EXAMIANS APP
Surveying The equation which is obtained by multiplying each equation by the coefficient of its unknowns and by adding the equations thus formed, is known as Normal equation Observation equation Conditional equation None of these Normal equation Observation equation Conditional equation None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The rise and fall method of levelling provides a complete check on backsight All of these foresight intermediate sight backsight All of these foresight intermediate sight ANSWER DOWNLOAD EXAMIANS APP
Surveying At the first point of Aeries, the sun moves From south to north of the equator Southward Northward From north to south of the equator From south to north of the equator Southward Northward From north to south of the equator ANSWER DOWNLOAD EXAMIANS APP
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