Surveying For which of the following permanent adjustments of theodolite, the spire test is used ? adjustment of horizontal axis adjustment of plate levels adjustment of altitude bubble and vertical index frame adjustment of line of sight adjustment of horizontal axis adjustment of plate levels adjustment of altitude bubble and vertical index frame adjustment of line of sight ANSWER DOWNLOAD EXAMIANS APP
Surveying The moon rotates round the earth once in every 30 days 29 days 29.35 days 29.53 days 30 days 29 days 29.35 days 29.53 days ANSWER DOWNLOAD EXAMIANS APP
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 sec θ f tan θ f cos θ f sin θ f sec θ f tan θ f cos θ f sin θ ANSWER DOWNLOAD EXAMIANS APP
Surveying In field astronomy, the quantities observed are entirely Angles Heights All of these Lengths Angles Heights All of these Lengths ANSWER DOWNLOAD EXAMIANS APP
Surveying If α is the observed altitude, the refraction correction in seconds, is 58 cos α 58 sin α 58" cot α 58" tan α 58 cos α 58 sin α 58" cot α 58" tan α ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following is not used in measuring perpendicular offsets ? line ranger cross staff steel tape optical square line ranger cross staff steel tape optical square ANSWER DOWNLOAD EXAMIANS APP
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