Workshop Technology Structural sections such as rails, angles, I-beams are made by Hot rolling Hot piercing Hot drawing Hot extrusion Hot rolling Hot piercing Hot drawing Hot extrusion ANSWER DOWNLOAD EXAMIANS APP
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 Changing the secondary turns of the transformer Varying the input supply Any one of the listed here Changing the primary turns of the transformer Changing the secondary turns of the transformer Varying the input supply ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In backhand welding, the angle between the welding torch and the work is kept as 30°-40° 50°-60° 60°-70° 40°-50° 30°-40° 50°-60° 60°-70° 40°-50° 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? Aluminium Steel Cast iron Copper Aluminium Steel Cast iron Copper ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The recrystallisation temperature of steel is 600°C 800°C 400°C None of these 600°C 800°C 400°C None of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The surface to be machined is marked on the pattern by Yellow colour Black colour Red colour Blue colour Yellow colour Black colour Red colour Blue colour ANSWER DOWNLOAD EXAMIANS APP