Heat conduction problem over a rectangular domain is shown in figure. Which nodes have temperature value of zero units?

Heat conduction problem over a rectangular domain is shown in figure.

1.	Heat conduction problem over a rectangular domain is shown in figure. Which nodes have temperature value of zero units?
A.	Only1
B.	Only 7
C.	Only 2 and 3
D.	1, 2 and 3
Answer» E.

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Heat conduction problem over a rectangular domain is shown in figure. Which nodes have temperature value of zero units?

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