Test Index

UPSC 2014 CDS I GK Paper

© examsnet.com

Question : 119

Total: 120

A metal screw-top on a glass bottle which appears to be stuck could be opened by using the fact that

the metal expands more than the glass when both are heated
The metal and glass expand identically when heated
the metal shrinks when heated
both metal and glass shrink when cooled

Go to Question:

Prev Question

Next Question