Workshop Technology In welding magnesium with TIG arc welding, direct current with ________ is used. None of these Both (A) and (B) Reversed polarity Straight polarity None of these Both (A) and (B) Reversed polarity Straight polarity ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cold working of metals is carried out 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 At the recrystallisation temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Lap joints are employed on plates having thickness Above 25 mm 12.5 mm Less than 3 mm 5 to 10 mm Above 25 mm 12.5 mm Less than 3 mm 5 to 10 mm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The acetylene cylinder is usually painted with Black colour Maroon colour White colour Yellow colour Black colour Maroon colour White colour Yellow colour ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Piercing is an operation of cutting A number of holes evenly spaced in a regular pattern on a sheet of metal A hole (other than cylindrical) in a sheet of metal by the punch and the die A cylindrical hole in a sheet of metal by the punch and the die A flat sheet to the desired shape A number of holes evenly spaced in a regular pattern on a sheet of metal A hole (other than cylindrical) in a sheet of metal by the punch and the die A cylindrical hole in a sheet of metal by the punch and the die A flat sheet to the desired shape ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The parts of circular cross-section which are symmetrical about the axis of rotation are made by Hot spinning Hot forging Hot drawing Hot extrusion Hot spinning Hot forging Hot drawing Hot extrusion ANSWER DOWNLOAD EXAMIANS APP
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