Workshop Technology In welding magnesium with TIG arc welding, direct current with ________ is used. Straight polarity None of these Both (A) and (B) Reversed polarity Straight polarity None of these Both (A) and (B) Reversed polarity ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Which one of the following material will require the largest size of riser for the same size of casting? Copper Aluminium Cast iron Steel Copper Aluminium Cast iron Steel ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Thermit welding is often used in Repairing broken shears Replacing broken gear teeth Joining rails, truck frames and locomotive frames etc. All of these Repairing broken shears Replacing broken gear teeth Joining rails, truck frames and locomotive frames etc. All of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology An oxidising process used for aluminium and magnesium articles is called Parkerising Anodizing Galvanizing Sherardizing Parkerising Anodizing Galvanizing Sherardizing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Tandem drawing of wires and tubes is necessary because Accuracy in dimensions is not possible otherwise Annealing is needed between stages Surface finish improves after every drawing stage It is not possible to reduce at one stage Accuracy in dimensions is not possible otherwise Annealing is needed between stages Surface finish improves after every drawing stage It is not possible to reduce at one stage ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cold chisels are made by Piercing Forging Drawing Rolling Piercing Forging Drawing Rolling ANSWER DOWNLOAD EXAMIANS APP