For no tension condition in the base of a short column of circular section, the line of action of the load should be within a circle of diameter equal to __________ of the main circle.
A. One-half
B. One-third
C. One-fourth
D. One-eighth
Answer: Option C
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The columns whose slenderness ratio is less than 80, are known as
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The area where if force acts, no tensile force is created is called Kern area. It is d/4 (circular area) for a circular column and diamond (diagonals d/3 & d/3) for a rectangular column.