Question

Match List – I (End conditions of columns) with List – II (Lowest critical load) and select the correct answer using the codes given below the lists:            

         List – I

A. Column with both ends hinged

B. Column with both ends fixed

C. Column with one ends fixed and the other end hinged

D. Column with one ends fixed and the other end free

(E is the Young’s modulus of elasticity of column material, L is the length and I is the second moment of area of cross – section of the column.)

Codes:

     A        B         C         D

(a) 1        2          3          4

(b) 3        2          1          4

(c) 1        3          2          4

(d) 2        4          3          1