Workshop Technology For arc welding Direct current is used Alternating current with low frequency is used Any one of these Alternating current with high frequency is used Direct current is used Alternating current with low frequency is used Any one of these Alternating current with high frequency is used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Seam welding is best adopted for metal thickness ranging from 3 to 5 mm 8 to 10 mm 5 to 8 mm 0.025 to 3 mm 3 to 5 mm 8 to 10 mm 5 to 8 mm 0.025 to 3 mm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A neutral flame is obtained by supplying Equal volumes of oxygen and acetylene More volume of oxygen and less volume of acetylene More volume of acetylene and less volume of oxygen None of the listed here Equal volumes of oxygen and acetylene More volume of oxygen and less volume of acetylene More volume of acetylene and less volume of oxygen None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In electric resistance welding, voltage required for heating is 50 to 100 volts 6 to 10 volts 11 to 20 volts 1 to 5 volts 50 to 100 volts 6 to 10 volts 11 to 20 volts 1 to 5 volts ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In sheet metal blanking, shear is provided on punches and dies so that Press load is reduced Good cut edge is obtained Cut blanks is straight Warping of sheet is minimized Press load is reduced Good cut edge is obtained Cut blanks is straight Warping of sheet is minimized ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called Punching Piercing Blanking Shearing Punching Piercing Blanking Shearing ANSWER DOWNLOAD EXAMIANS APP