Workshop Technology In welding magnesium with TIG arc welding, direct current with ________ is used. Both (A) and (B) Reversed polarity Straight polarity None of these Both (A) and (B) Reversed polarity Straight polarity None of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A casting defect which results in general enlargement of a casting is known as Sand wash Scab Shift Swell Sand wash Scab Shift Swell ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology An oxidising process used for aluminium and magnesium articles is called Parkerising Galvanizing Sherardizing Anodizing Parkerising Galvanizing Sherardizing Anodizing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In order to get uniform thickness of the plate by rolling process, one provides Hardening of the rolls Camber on the rolls Offset on the rolls Antifriction bearings Hardening of the rolls Camber on the rolls Offset on the rolls Antifriction bearings ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls. Larger than Smaller than None of these Equal to Larger than Smaller than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The hot working of metals is carried out At any temperature Below the recrystallisation temperature At the recrystallisation temperature Above the recrystallisation temperature At any temperature Below the recrystallisation temperature At the recrystallisation temperature Above the recrystallisation temperature ANSWER DOWNLOAD EXAMIANS APP
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