1.

AT_WHAT_DISTANCE_BASE_IS_POINT_OF_INFLECTION_ASSUMED_IN_COLUMN_OF_A_PORTAL_FRAME_WHICH_IS_SUPPORTED_BY_PARTIALLY_FIXED_SUPPORTS_(LENGTH_OF_COLUMN_IS_L)??$

A. L
B. L/2
C. L/3
D. L/4
Answer» C. L/3


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