Surveying The scale of a vertical photograph of focal length ‘f’ taken from height of ‘H’ metres above M.S.L., at a point of reduced level ‘h’, is f/(H + h) f/H f/(H - h) (H - h)/f f/(H + h) f/H f/(H - h) (H - h)/f ANSWER DOWNLOAD EXAMIANS APP
Surveying Bowditch rule is applied to a closed traverse for adjustment of closing error an open traverse for graphical adjustment determine the effect of local attraction None of these a closed traverse for adjustment of closing error an open traverse for graphical adjustment determine the effect of local attraction None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying In field astronomy, the quantities observed are entirely Angles Lengths Heights All of these Angles Lengths Heights All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying Subtense bar is an instrument used for measurement of angles measurement of horizontal distances in undulated areas measurement of horizontal distances in plane areas levelling measurement of angles measurement of horizontal distances in undulated areas measurement of horizontal distances in plane areas levelling ANSWER DOWNLOAD EXAMIANS APP
Surveying If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference toi) altitude bubble on index frameii) altitude bubble on index frame if it is to be used as a leveliii) altitude bubble on telescopeiv) altitude bubble on telescope if it is to be used as a level The correct answer is only (iii) both (ii) and (iii) only (i) both (i) and (iv) only (iii) both (ii) and (iii) only (i) both (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is 1 : 20,000 1 : 30,000 1 : 10,000 1 : 15,000 1 : 20,000 1 : 30,000 1 : 10,000 1 : 15,000 ANSWER DOWNLOAD EXAMIANS APP