Workshop Technology The current in electric resistance welding can be regulated by Any one of the listed here Changing the primary turns of the transformer Varying the input supply Changing the secondary turns of the transformer Any one of the listed here Changing the primary turns of the transformer Varying the input supply Changing the secondary turns of the transformer ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The recrystallisation temperature of steel is 400°C 600°C 800°C None of these 400°C 600°C 800°C None of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The electron beam welding can be carried out in A shielded gas environment Open air A pressurized inert gas chamber Vacuum A shielded gas environment Open air A pressurized inert gas chamber Vacuum ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Which of the following methods can be used for manufacturing 2 meter long seamless metallic tubes? Extrusion Rolling Drawing Extrusion and rolling Extrusion Rolling Drawing Extrusion and rolling ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is Anywhere between 0.1 to 1 percent More than 0.3 percent Less than 0.3 percent Less than 0.1 percent Anywhere between 0.1 to 1 percent More than 0.3 percent Less than 0.3 percent Less than 0.1 percent ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A sand employed on the faces of the pattern before moulding, is called Dry sand Green sand Parting sand Loam sand Dry sand Green sand Parting sand Loam sand ANSWER DOWNLOAD EXAMIANS APP