Question

disadvantages of I shaped girder​

Answer 1

Answer:

Beam bridges may be costly even for rather short spans, since expensive steel is required as a construction material. Concrete is also used as beam material, and is cheaper. However, concrete is comparatively not that strong to withstand the high tensile forces acting on the beams.

Answer 2

Centerless Cylindrical Griding Disadvantages :

Other disadvantages for centerless grinder include that if the object is perpendicular such as having a right angle the grinder has difficulties working on and improving the object. Centerless grinder also have control problems concerning certain wirk pieces . ..