Physics
Fluid-Mechanics
Easy
Question
A steel bolt of cross-sectional area 
is passed through a cylindrical tube made of aluminium. Cross-sectional area of the tube material is 
and its length is l =50 cm. The bolt is just taut to that there is no stress in the bolt and temperature of the assembly increases through 
. Given, coefficient of linear thermal expansion of steel, 
.
Young 's modulus of steel 
Young's modulus of 
,coefficient of
linear thermal expansion of 
the compressive strain in tube is
The correct answer is:
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