Two large holes are cut in a metal sheet. If this is heated, will their diameters increase or decrease?

Two large holes are cut in a metal sheet will the distance between the holes increase or decrease on heating?

Two large holes are cut in a metal sheet. If this is heated, distance AB and BC, (as shown)

Tow large holes are cut in a metal sheet. If this is heated, distances AB and BC , (as shown)

Tow large holes are cut in a metal sheet. If this is heated, distances AB and BC , (as shown)

A long metal rod is bent to form a ring with a small gap if this is heated, will this gap increase or decrease?

A long metal rod is bent to form a ring with a small gap if this is heated, will this gap increase or decrease?

In Figure C, there is a circular hole in the tin sheet. When the sheet is heated, will the hole also expand?

There is a hole in a metal plate. Upon heating the plate, the diameter of the hole

A metal sheet with a circular hole is heated. The hole