Workshop Technology The cold working of metals is carried out At any temperature Above the recrystallisation temperature Below the recrystallisation temperature At the recrystallisation temperature At any temperature Above the recrystallisation temperature Below the recrystallisation temperature At the recrystallisation temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The purpose of a riser is to Act as a reservoir for the molten metal Deliver molten metal into the mould cavity Feed the molten metal to the casting in order to compensate for the shrinkage Deliver the molten metal from pouring basin to gate Act as a reservoir for the molten metal Deliver molten metal into the mould cavity Feed the molten metal to the casting in order to compensate for the shrinkage Deliver the molten metal from pouring basin to gate ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The increase in hardness due to cold working, is called Flame hardening Work hardening Age hardening Induction hardening Flame hardening Work hardening Age hardening Induction hardening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The welding process used in joining mild steel shanks to high speed drills, is Seam welding Upset butt welding Spot welding Flash butt welding Seam welding Upset butt welding Spot welding Flash butt welding ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Thread rolling is restricted to None of these Ferrous materials Hard materials Ductile materials None of these Ferrous materials Hard materials Ductile materials ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Sand wash is a casting defect which Occurs as sand patches on the upper surface of a casting Results in a mismatching of the top and bottom parts of a casting Occurs near the ingates as rough lumps on the surface of a casting Results in general enlargement of the casting Occurs as sand patches on the upper surface of a casting Results in a mismatching of the top and bottom parts of a casting Occurs near the ingates as rough lumps on the surface of a casting Results in general enlargement of the casting ANSWER DOWNLOAD EXAMIANS APP
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