Properties Of Solids And Liquids Question 495
Question: A brass disc fits simply in a hole of a steel plate. The disc from the hole can be loosened if the system [UPSEAT 2001]
Options:
A) First heated then cooled
B) First cooled then heated
C) Is heated
D) Is cooled
Show Answer
Answer:
Correct Answer: D
Solution:
Since, the coefficient of linear expansion of brass is greater than that of steel. On cooling, the brass contracts more, so, it get loosened.
BETA
