Workshop Technology In arc welding, the temperature of heat produced by the electric arc is of the order of 5000°C to 6000°C 4000°C to 5000°C 6000°C to 7000°C 3000°C to 4000°C 5000°C to 6000°C 4000°C to 5000°C 6000°C to 7000°C 3000°C to 4000°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cold working of metals is carried out Above the recrystallisation temperature At any temperature At the recrystallisation temperature Below the recrystallisation temperature Above the recrystallisation temperature At any temperature At the recrystallisation temperature Below the recrystallisation temperature 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 general enlargement of the casting Occurs near the ingates as rough lumps on the surface of a casting Results in a mismatching of the top and bottom parts of a casting Occurs as sand patches on the upper surface of a casting Results in general enlargement of the casting Occurs near the ingates as rough lumps on the surface of a casting Results in a mismatching of the top and bottom parts of a casting ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A sand employed on the faces of the pattern before moulding, is called Dry sand Green sand Parting sand Loam sand Dry sand Green sand Parting sand Loam sand ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be 20 mm/m 10 mm/m 26 mm/m 16 mm/m 20 mm/m 10 mm/m 26 mm/m 16 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A pattern maker's shrinkage rule considers All materials of the pattern Only shrinkage allowance All materials to be cast All pattern allowances All materials of the pattern Only shrinkage allowance All materials to be cast All pattern allowances ANSWER DOWNLOAD EXAMIANS APP
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