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

A mild steel rod tapers uniformly from 24 mm dia to 12 mm dia over its length of 400 mm. The rod when held vertical is subjected to an axial tensile load of 12 kN. E=2×105 N/mm2. The extension of the rod in mm would be

A
3π2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
23π
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
π3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
13π
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D 13π


Δ=4PLπEd1d2=4(12000)400π(2×105)24(12)=13π

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Deformation of Tapered Bars
STRENGTH OF MATERIALS
Watch in App
Join BYJU'S Learning Program
CrossIcon