Subject :NSO Class : Class 7
You need to put a metal rod into a hole in a metal cylinder. It is too tight. Which would be the best strategy to make the rod fit?
AHeat the rod and cylinder
BCool the rod and cylinder
CHeat the rod and cool the cylinder
DCool the rod and heat the cylinder
Is c. d. the complete opposite but the same?When the rod gets heated the cylinder receives the same size
Ans 1:
Class : Class 7
Ans 2:
Class : Class 7