Curioustab

Home » Civil Engineering » Advanced Surveying

Invar tapes used for measuring base lines, is made of nickel-iron alloy containing nickel

24%
36%
40%
60%.

Correct Answer: 36%

← Previous Question Next Question→

More Questions from Advanced 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
The correction applied to the measured base of length L is
If the general ground level of any area is 10% of the flying height, the principal points may be used as the centres of radial directions for small scale mapping even in tilted photograph up to
The elevation of the star at elongation is obtained by
The angle between the direction of star and the direction of earth's axis of rotation is called
The position of a heavenly body on the celestial sphere can be completely specified by
By raising the z-column of right projector, maximum y-parallax is introduced in the model at
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
The relief displacement of a minar 72 m high on photograph is 7.2 mm and its top appears 10 cm away from principal point. The flying height of the camera, is
In a tropical year, the number of sidereal days are

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion