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 4000 m 6000 m 5000 m 7000 m 4000 m 6000 m 5000 m 7000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying On vertical photographs, height displacement is Zero for points vertically below the air station Positive for points above datum All listed here Negative for points below datum Zero for points vertically below the air station Positive for points above datum All listed here Negative for points below datum ANSWER DOWNLOAD EXAMIANS APP
Surveying A series of closely spaced contour lines represents a steep slope plane surface gentle slope uniform slope steep slope plane surface gentle slope uniform slope ANSWER DOWNLOAD EXAMIANS APP
Surveying The time interval between successive transits of the moon, is 20 hours 25 minutes 24 hours 50 minutes 23 hours 50 minutes 24 hours 10 minutes 20 hours 25 minutes 24 hours 50 minutes 23 hours 50 minutes 24 hours 10 minutes ANSWER DOWNLOAD EXAMIANS APP
Surveying A metallic tape is made of cloth and wires invar steel linen cloth and wires invar steel linen ANSWER DOWNLOAD EXAMIANS APP
Surveying The necessary geometrical condition for triangulation adjustment is: The sum of the three angles of a plane triangle should be 180° The sum of the angles around a station should be 360° The sum of the eight angles of a braced quadrilateral should be 360° All listed here The sum of the three angles of a plane triangle should be 180° The sum of the angles around a station should be 360° The sum of the eight angles of a braced quadrilateral should be 360° All listed here ANSWER DOWNLOAD EXAMIANS APP
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