Surveying The scale of a tilted photograph of focal length f, taken from an altitude H, along the plate parallel through plumb point, is f sec θ/H f/H f/H sec θ f/H cos ½θ f sec θ/H f/H f/H sec θ f/H cos ½θ ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following is not the function of levelling head ? to attach the theodolite to the tripod to support the main part of the instrument None of these to provide a means for leveling the theodolite to attach the theodolite to the tripod to support the main part of the instrument None of these to provide a means for leveling the theodolite ANSWER DOWNLOAD EXAMIANS APP
Surveying Theodolite is an instrument used for measurement of both horizontal and vertical angles measurement of vertical angles only measurement of horizontal angles only tightening the capstan-headed nuts of level tube measurement of both horizontal and vertical angles measurement of vertical angles only measurement of horizontal angles only tightening the capstan-headed nuts of level tube ANSWER DOWNLOAD EXAMIANS APP
Surveying Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year Four times Twice Thrice Once Four times Twice Thrice Once 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 4000 m 5000 m 6000 m 7000 m 4000 m 5000 m 6000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The maximum tolerance in a 20 m chain is ±2 mm ±3 mm ±8 mm ±5 mm ±2 mm ±3 mm ±8 mm ±5 mm ANSWER DOWNLOAD EXAMIANS APP