40% O e 11:19 Asiacell ll. quiz.jpg 01! A semi infinite slab of copper is exp- osed to aconst. heat flux at the surface of 032 Mw/m? Assume that the slab is in that there is no convection at avacuum...

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Extracted text: 40% O e 11:19 Asiacell ll. quiz.jpg 01! A semi infinite slab of copper is exp- osed to aconst. heat flux at the surface of 032 Mw/m? Assume that the slab is in that there is no convection at avacuum so the surface. what is the surface temperature af ter 5 min. IF fhe initial Pemp. of the slab is temp. at a distance of 150 mm 30°C ? what is the -5e Promthe surhace after 5min ?a =11.23+ 10 k- 386W/mic Q2: A picce of oluminum werghing 6y and initialy at atemp of sooc is suddenly the cone heat transfer cre fficient is w/m-"C Taking aluminum as asphere hoving the same weight that given, estimate the time veguind to col the aluminum to 90Co pseirinh ,cf=896 immersed in afleidatzác the P- 2707k