Surveying If v, t and f/H are the ground speed of the aircraft, the shutter speed of the camera and the scale of the photograph respectively, then the amount of image displacement i = t. H/v. f i = v. t. (f/H) i = v. t. H/f i = v. f/t. H i = t. H/v. f i = v. t. (f/H) i = v. t. H/f i = v. f/t. H ANSWER DOWNLOAD EXAMIANS APP
Surveying Dumpy level is most suitable when many readings are to be taken from a single setting of the instrument the instrument is to be shifted frequently fly levelling is being done over long distance All of these many readings are to be taken from a single setting of the instrument the instrument is to be shifted frequently fly levelling is being done over long distance All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying If 16 flight lines are run perpendicular to an area 30 km wide, their spacings on a photographical map on scale 1 : 50,000 , will be 3 cm 1 cm 4 cm 2 cm 3 cm 1 cm 4 cm 2 cm ANSWER DOWNLOAD EXAMIANS APP
Surveying After fixing the plane table to the tripod, the main operations which are needed at each plane table station are(i) Levelling(ii) Orientation(iii) CenteringThe correct sequence of these operations is (i), (ii), (iii) (ii), (iii), (i) (iii), (i), (ii) (i), (iii), (ii) (i), (ii), (iii) (ii), (iii), (i) (iii), (i), (ii) (i), (iii), (ii) ANSWER DOWNLOAD EXAMIANS APP
Surveying If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be less than true R.L. more than true R.L. None of these true R.L. less than true R.L. more than true R.L. None of these true R.L. ANSWER DOWNLOAD EXAMIANS APP
Surveying Overturning of vehicles on a curve can be avoided by using vertical curve transition curve reverse curve compound curve vertical curve transition curve reverse curve compound curve ANSWER DOWNLOAD EXAMIANS APP