wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Two steel columns P (Length L and yield strength fy=250 MPa) and Q (length 2L and yield strength fy=500 MPa) have the same cross-sections and end-conditions. The ratio of buckling load of column P to that of column Q is:

A
0.5
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
1.0
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
2.0
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
4.0
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D 4.0
Buckling load as per Euler's method is
=π2EIL2
As no information regarding cross-sectional area is given, ratio of buckling load
PPPQ=(L2QL2P)=(2LL)2=4

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Euler’s Formula
STRENGTH OF MATERIALS
Watch in App
Join BYJU'S Learning Program
CrossIcon