PROBLEM of 989-980cm 2 . What minimum temp must it have so the
A arcular copper nng at 200 has a hole with an areal
A
a Cross-
It can be slipped onto a steel rod having
sectional area of coord?
b. Suppose the ring and the rol are heated simultanead
What minimum change in temperature of both will
allow the ring to be slipped onto the end of the to
rod
Question
aluminium bar is was meters long at 20°c. The coeft
linear expansion Is 2.5X1096.If the temperature is inox
75 degree celcius a How much will the length​