Pattern draft for internal surfaces is Foundry Technology Mcqs December 27, 2019 BILAL KHATTAK0 A.Less than that for external surfaces B.More than that for external surfaces C.Equal to that for external surfacesRelated Mcqs:Pattern draft for internal surfaces is (in mm/m)Pattern draft for external surfaces is (in mm/m)Radiation heats transfer between two surfaces can be reduced byDraft or taper allowance in patterns is provided onIn comparing internal selection with external selection, an advantage of internal selection is that____________??On the interior surfaces the draft allowance is usuallyThe draft allowance to be provided on a pattern depends onThe pressure within a soap bubble isIf an old casting is to be used as a pattern, to account for various allowances.Apart from reducing friction and cooling the surfaces, the function of lubricant in I.C. engines is