Description : When a raised face flange gasket surface is machined to a flat face surface, does the flange still comply with ASME B31.3? a) No. b) Yes. c) Yes, provided the flange meets thickness requirements for flat faced flanges per ASME B31.3. d) Yes, if approached by the flange committee.
Last Answer : c) Yes, provided the flange meets thickness requirements for flat faced flanges per ASME B31.3.
Description : “Surface cleaning is necessary for machined parts.” Justify the statement.
Last Answer : Necessity of Surface cleaning: Components, particularly those made of steel, get contaminated during and after production. Scale is formed on components after hot working. Castings get contaminated with sand. In workshop ... (b) to carry out further operations, and (c) to put it to practical use.