Properties Of Solids And Liquids Question 480
Question: At some temperature T, a bronze pin is a little large to fit into a hole drilled in a steel block. The change in temperature required for an exact fit is minimum when [SCRA 1998]
Options:
A) Only the block is heated
B) Both block and pin are heated together
C) Both block and pin are cooled together
D) Only the pin is cooled
Show Answer
Answer:
Correct Answer: A
Solution:
Since coefficient of expansion of steel is greater than that of bronze.
Hence with small increase in it’s temperature the hole expand sufficiently.
