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 tan θ f sec θ f cos θ f sin θ f tan θ f sec θ f cos θ f sin θ ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle between the axis of earth and the vertical at the station of observation is called Co-declination of star Declination of star Astronomical latitude Astronomical co-latitude Co-declination of star Declination of star Astronomical latitude Astronomical co-latitude ANSWER DOWNLOAD EXAMIANS APP
Surveying If E is the spherical excess and R the radius of the earth, the surface area of the triangle, is πR²E/90° πR²E/180° πR²E/270° πR²E/360° πR²E/90° πR²E/180° πR²E/270° πR²E/360° ANSWER DOWNLOAD EXAMIANS APP
Surveying In a spherical triangle ABC, right angled at C, sin b equals tan a cot A sin a cos A cot A tan a cos a sin A tan a cot A sin a cos A cot A tan a cos a sin A ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle between the observer's meridian and declination circle of a heavenly body, is known as Right ascension Hour angle Azimuth Declination Right ascension Hour angle Azimuth Declination ANSWER DOWNLOAD EXAMIANS APP
Surveying Invar tapes used for measuring base lines, is made of nickel-iron alloy containing nickel 0.4 0.6 0.36 0.24 0.4 0.6 0.36 0.24 ANSWER DOWNLOAD EXAMIANS APP