A. Conduction only
B. Convection only
C. Radiation only
D. All these methods
Correct Answer: Option C
C. Radiation only
Explanation
Vacuum is an enclosure with no air or agent of heat transfer
A. Conduction only
B. Convection only
C. Radiation only
D. All these methods
Correct Answer: Option C
C. Radiation only
Explanation
Vacuum is an enclosure with no air or agent of heat transfer
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