For insulation to be properly effective in restricting heat transmission, the pipe radius r0 will be

Greater than or equal to critical radius

For insulation to be properly effective in restricting heat transmissi

1.	For insulation to be properly effective in restricting heat transmission, the pipe radius r0 will be
A.	Greater than critical radius
B.	Less than critical radius
C.	Equal to critical radius
D.	Greater than or equal to critical radius
Answer» E.

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For insulation to be properly effective in restricting heat transmission, the pipe radius r0 will be

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