Choose the correct answer .. 16. The rate of flow by conduction through a slab i

Question

Choose the correct answer .. 16. The rate of flow by conduction through a slab iscond . If the slab thickness is doubled, its cross-sectional area is halved, and the temperature difference across itis doubled, then the rate of engery flow becomes: A) 2cond                                       C) cond                                                                    E)8 cond B) cond /2 D)cond /8 Choose the correct answer .. 16. The rate of flow by conduction through a slab iscond . If the slab thickness is doubled, its cross-sectional area is halved, and the temperature difference across itis doubled, then the rate of engery flow becomes: A) 2cond                                       C) cond                                                                    E)8 cond                                                                    E)8 cond B) cond /2 D)cond /8

Explanation / Answer

  1cond= cond ( 2 T)(A/2) L / ( 2L) A T
   = cond / 2     

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