Workshop Technology In forehand welding, the angle between the welding rod and the work is kept as 60°-70° 50°-60° 40°-50° 30°-40° 60°-70° 50°-60° 40°-50° 30°-40° ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The minimum size of a bloom is 15 cm × 15 cm 5 cm × 5 cm 10 cm × 10 cm 20 cm × 20 cm 15 cm × 15 cm 5 cm × 5 cm 10 cm × 10 cm 20 cm × 20 cm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A two high rolling mill consists of two rolls which rotate At the same speed but in opposite direction At the same speed and in the same direction At different speeds and in the opposite direction At different speeds and in the same direction At the same speed but in opposite direction At the same speed and in the same direction At different speeds and in the opposite direction At different speeds and in the same direction ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Piercing is an operation of cutting A hole (other than cylindrical) in a sheet of metal by the punch and the die A flat sheet to the desired shape 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 hole (other than cylindrical) in a sheet of metal by the punch and the die A flat sheet to the desired shape 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 Structural sections such as rails, angles, I-beams are made by Hot piercing Hot rolling Hot extrusion Hot drawing Hot piercing Hot rolling Hot extrusion Hot drawing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The advantage of Thermit welding is that All parts of the weld section are molten at the same time Weld cools almost uniformly Results in a minimum problem with internal residual stresses All of these All parts of the weld section are molten at the same time Weld cools almost uniformly Results in a minimum problem with internal residual stresses All of these ANSWER DOWNLOAD EXAMIANS APP