Workshop Technology The cold working of metals is carried out At the recrystallisation temperature Below the recrystallisation temperature At any temperature Above the recrystallisation temperature At the recrystallisation temperature Below the recrystallisation temperature At any temperature Above the recrystallisation temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as Swell Scab Shift Sand wash Swell Scab Shift Sand wash ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded) 3 t √t 1.5 t 6 t 3 t √t 1.5 t 6 t ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The current in electric resistance welding can be regulated by Changing the primary turns of the transformer Any one of the listed here Varying the input supply Changing the secondary turns of the transformer Changing the primary turns of the transformer Any one of the listed here Varying the input supply Changing the secondary turns of the transformer ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In welding copper alloys with TIG arc welding Alternating current is used Direct current with reversed polarity is used Direct current with straight polarity is used Any one of the listed here Alternating current is used Direct current with reversed polarity is used Direct current with straight polarity is used Any one of the listed here ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a hot chamber die casting machine Ferrous alloys with high melting temperature are casted Ferrous alloys with low melting temperature are casted Nonferrous alloys with high melting temperature are casted Nonferrous alloys with low melting temperature are casted Ferrous alloys with high melting temperature are casted Ferrous alloys with low melting temperature are casted Nonferrous alloys with high melting temperature are casted Nonferrous alloys with low melting temperature are casted ANSWER DOWNLOAD EXAMIANS APP