In which of the following conditions can thermal conductivity analyzer be used for multi-component mixtures?

When all components have very different thermal conductivities except two of them which are the same

When all the components have same thermal conductivities

When all the components have very different thermal conductivities

When all but one component have same thermal conductivities

In which of the following conditions can thermal conductivity analyzer

1.	In which of the following conditions can thermal conductivity analyzer be used for multi-component mixtures?
A.	When all the components have same thermal conductivities
B.	When all the components have very different thermal conductivities
C.	When all but one component have same thermal conductivities
D.	When all components have very different thermal conductivities except two of them which are the same
Answer» D. When all components have very different thermal conductivities except two of them which are the same