Radiation : Exchange Between Surfaces Questions And Answers.
|1.||The interchange factor is also known as?|
|A. ||Shape factor|
|D. ||Equivalent emissivity|
|2.||For the same type of shapes, the value of the radiation shape factor will be higher when?|
|A. ||Surfaces are closer|
|B. ||Surfaces are moved further apart|
|C. ||Surfaces are smaller and held closer|
|D. ||Surfaces are larger and held closer|
|3.||The grey body shape factor for radiant heat exchange between a small body (emissivity = 0.4) in a large enclosure (emissivity = 0.5) is?|
|4.||An enclosure consists of four surfaces 1, 2, 3 and 4. The view factors for radiation heat transfers are?|
|5.||The value of shape factor depends on how many factors?|
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