Question

through a
A Gun metal rod of 22mm dia
Screwed at the ends Passes
a steel tube of 25mm
and 30mm internal and external
diametere. The temperature of the
whole assembly is reaised to 126°c
and the nuts on the rod are
Then screwed lightly home on the
ends of the tube find the intensity
or stress in the rod and the tube
when the common tempratune has
fallen to 16°c
Ls = 12x 10 8 16
Lgun
=20x106/06
Es = 2018 105 N/mm2
Egun = 0.94 x 105 N/mm2​

Answer 1

Answer:

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