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 In a four high rolling mill, there are four rolls out of which All of the four are working rolls Two are working rolls and two are backing up rolls One is working roll and three are backing up rolls Three are working rolls and one is backing up roll All of the four are working rolls Two are working rolls and two are backing up rolls One is working roll and three are backing up rolls Three are working rolls and one is backing up roll ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The draft or taper allowance on casting is generally 5 to 10 mm/m 2 to 5 mm/m 1 to 2 mm/m 10 to 15 mm/m 5 to 10 mm/m 2 to 5 mm/m 1 to 2 mm/m 10 to 15 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Notching is the operation of Removal of metal to the desired shape from the edge of a plate Cutting a sheet of metal through part of its length and then bending the cut portion Cutting a sheet of metal in a straight line along the length Bending a sheet of metal along a curved axis Removal of metal to the desired shape from the edge of a plate Cutting a sheet of metal through part of its length and then bending the cut portion Cutting a sheet of metal in a straight line along the length Bending a sheet of metal along a curved axis ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Scribing block is used to Locate the centres of round bars Hold the round bars during marking Check the trueness of flat surfaces Check the surface roughness Locate the centres of round bars Hold the round bars during marking Check the trueness of flat surfaces Check the surface roughness ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Green sand is a mixture of 70% sand and 30% clay 30% sand and 70% clay 50% sand and 50% clay 90% sand and 10% clay 70% sand and 30% clay 30% sand and 70% clay 50% sand and 50% clay 90% sand and 10% clay ANSWER DOWNLOAD EXAMIANS APP
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