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A reduction in thermal resistance during heat transfer does not occur in the | |
A. | convection heat transfer by stirring the fluid and cleaning the heating surface. [Wrong Answer] |
B. | conduction heat transfer by reduction in the material thickness and increase in the thermal conductivity. [Wrong Answer] |
C. | radiation heat transfer by increasing the temperature and reducing the emis-sivity. [Correct Answer] |
D. | none of these. [Wrong Answer] |