1. 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
2. Which of the following methods of contouring is most suitable for a hilly terrain?
3. The size of a plane table is
4. The angle between the plane of the equator and the plane of the ecliptic, is known as obliquity of the ecliptic and its value is
5. For a tacheometer the additive and multi-plying constants are respectively
6. From the principal point the horizon point lies on the principal line at a distance of
7. If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at that place is
8. Overturning of vehicles on a curve can be avoided by using
9. The error due to eccentricity of inner and outer axes can be eliminated by
10. The Polaris remains below horizon at
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