Workshop Technology During hot working of metals Mechanical properties are improved due to refinement of grains All of the listed here Grain structure of the metal is refined Porosity of the metal is largely eliminated Mechanical properties are improved due to refinement of grains All of the listed here Grain structure of the metal is refined Porosity of the metal is largely eliminated ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In welding copper alloys with TIG arc welding Direct current with straight polarity is used Alternating current is used Any one of the listed here Direct current with reversed polarity is used Direct current with straight polarity is used Alternating current is used Any one of the listed here Direct current with reversed polarity is used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For cutting brass, the hacksaw blade should have ________ teeth per 25 mm. 24 40 32 14 24 40 32 14 ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature of the inner luminous cone of neutral flame is about 3200°C 1250°C 1000°C 2100°C 3200°C 1250°C 1000°C 2100°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In shielded arc welding Welding rod coated with slag is used None of the listed here Large electrode is used Welding rod coated with fluxing material is used Welding rod coated with slag is used None of the listed here Large electrode is used Welding rod coated with fluxing material is used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Shift is a casting defect which Results in general enlargement 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 Occurs near the ingates as rough lumps on the surface of a casting Results in general enlargement 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 Occurs near the ingates as rough lumps on the surface of a casting ANSWER DOWNLOAD EXAMIANS APP
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