Workshop Technology In welding copper alloys with TIG arc welding Direct current with reversed polarity is used Alternating current is used Any one of the listed here Direct current with straight polarity is used Direct current with reversed polarity is used Alternating current is used Any one of the listed here Direct current with straight polarity is used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For gas welding, the pressure desired at the welding torch for oxygen is 560 to 840 kN/m² 7 to 103 kN/m² 280 to 560 kN/m² 70 to 280 kN/m² 560 to 840 kN/m² 7 to 103 kN/m² 280 to 560 kN/m² 70 to 280 kN/m² ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Sand wash is a casting defect which Occurs near the ingates as rough lumps on the surface of a casting Results in general enlargement of the 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 Occurs near the ingates as rough lumps on the surface of a casting Results in general enlargement of the 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 ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In order to ram the sand harder at the back of the mould and softer on the pattern face, a ________ is used. Jolt machine Squeezing machine Stripper plate machine Sand slinger Jolt machine Squeezing machine Stripper plate machine Sand slinger ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The metal patterns as compared to wooden patterns require less Draft allowance Distortion allowance Machining allowance Shrinkage allowance Draft allowance Distortion allowance Machining allowance Shrinkage allowance ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The electron beam welding can be carried out in A pressurized inert gas chamber Open air A shielded gas environment Vacuum A pressurized inert gas chamber Open air A shielded gas environment Vacuum ANSWER DOWNLOAD EXAMIANS APP
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