Workshop Technology The current in electric resistance welding can be regulated by 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 Changing the primary turns of the transformer Any one of the listed here ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For gas welding, the pressure desired at the welding torch for acetylene is 280 to 560 kN/m² 70 to 280 kN/m² 7 to 103 kN/m² 560 to 840 kN/m² 280 to 560 kN/m² 70 to 280 kN/m² 7 to 103 kN/m² 560 to 840 kN/m² ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In sheet metal blanking, shear is provided on punches and dies so that Cut blanks is straight Warping of sheet is minimized Good cut edge is obtained Press load is reduced Cut blanks is straight Warping of sheet is minimized Good cut edge is obtained Press load is reduced 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) √t 6 t 1.5 t 3 t √t 6 t 1.5 t 3 t ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Piercing is an operation of cutting A flat sheet to the desired shape 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 number of holes evenly spaced in a regular pattern on a sheet of metal A flat sheet to the desired shape 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 number of holes evenly spaced in a regular pattern on a sheet of metal ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cold 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
EXAMIANS