Surveying If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be f cos θ f sec θ f tan θ f sin θ f cos θ f sec θ f tan θ f sin θ ANSWER DOWNLOAD EXAMIANS APP
Surveying The station where observations are not made, but the angles at the station are used in triangulation series, is known as Main station Subsidiary station Pivot station Satellite station Main station Subsidiary station Pivot station Satellite station ANSWER DOWNLOAD EXAMIANS APP
Surveying The value of geocentric parallax to be added to the observed altitude of sun is 9" sin α 9" tan α 9" cot α 9" cos α 9" sin α 9" tan α 9" cot α 9" cos α ANSWER DOWNLOAD EXAMIANS APP
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 5000 m 6000 m 4000 m 7000 m 5000 m 6000 m 4000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The sun's declination remains north between September 21 to December 21 March 21 to June 21 June 21 to September 21 Both (A) and (B) of above September 21 to December 21 March 21 to June 21 June 21 to September 21 Both (A) and (B) of above ANSWER DOWNLOAD EXAMIANS APP
Surveying The permissible error in chaining for measurement with chain on rough or hilly ground is 1 in 100 1 in 500 1 in 250 1 in 1000 1 in 100 1 in 500 1 in 250 1 in 1000 ANSWER DOWNLOAD EXAMIANS APP
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