IN A COMPOSITE SLAB, THE TEMPERATURE AT THE INTERFACE ( TINTER) BE...

13. - MECHANICAL ENGINEERING GATE 2006 PAPERS WITH SOLUTION PDF
MECHANICAL ENGINEERING GATE 2006 PAPERS WITH SOLUTION PDF

13. In a composite slab, the temperature at the interface ( T

inter

) between two

materials is equal to the average of the temperatures at the two ends. Assuming

steady one-dimensional heat conduction, which of the following statements is

true about the respective thermal conductivities?

T

1

k

1

k

2

T

inter

T

2

2b b

(A) 2k

1

= k

2

(B) k

1

= k

2

(C) 2 k

1

= 3 k

2

(D) k

1

= 2 k

2