The buckling load will be maximum for a column, if
A. One end of the column is clamped and the other end is free
B. Both ends of the column are clamped
C. Both ends of the column are hinged
D. One end of the column is hinged and the other end is free
Answer: Option B
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A cotter joint is used to connect two __________ rods.
A. Co-axial
B. Perpendicular
C. Parallel
D. None of these
The rated life of a bearing varies
A. Directly as load
B. Inversely as square of load
C. Inversely as cube of load
D. Inversely as fourth power of load
The bending stress in a curved beam is
A. Zero at the centroidal axis
B. Zero at the point other than centroidal axis
C. Maximum at the neutral axis
D. None of these
The centre to centre distance between two consecutive rivets in a row, is called
A. Margin
B. Pitch
C. Back pitch
D. Diagonal pitch
Answer is C
how is it explain
According to Euler's formula : ( C.π^2.EI)/L^2.
Buckling is directly proportional to the C (fixity constant).
Value of C:
1 for both end is hinged.
4 for both end is fixed(clamped).
2 for one end fixed another is hinged.
.25 for one end fixed another is free.