A system that does NOT allow exchange of heat with its surrounding is called

A system which can exchange both energy and matter with the surroundings is called:

The amount of heat required to change from liquid state to gaseous state without rise in its temperature is called:

The process of heat transfer through a solid material without any flow of the material itself is called:

The ratio of the amount of heat absorbed by a substance to the corresponding rise in temperature is called its:

Which of the following is not a method of heat transfer?