Workshop Technology In backhand welding, the angle between the welding torch and the work is kept as 50°-60° 30°-40° 40°-50° 60°-70° 50°-60° 30°-40° 40°-50° 60°-70° ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In electric resistance welding, pressure applied varies from 25 to 55 MPa 10 to 25 MPa 5 to 10 MPa 1 to 5 MPa 25 to 55 MPa 10 to 25 MPa 5 to 10 MPa 1 to 5 MPa ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The recrystallisation temperature of steel is 600°C None of these 400°C 800°C 600°C None of these 400°C 800°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For gas welding, the pressure desired at the welding torch for acetylene is 560 to 840 kN/m² 70 to 280 kN/m² 7 to 103 kN/m² 280 to 560 kN/m² 560 to 840 kN/m² 70 to 280 kN/m² 7 to 103 kN/m² 280 to 560 kN/m² ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Sand wash is a casting defect which Occurs as sand patches on the upper surface of a casting Results in a mismatching of the top and bottom parts of a casting Occurs near the ingates as rough lumps on the surface of a casting Results in general enlargement of the casting Occurs as sand patches on the upper surface of a casting Results in a mismatching of the top and bottom parts of a casting Occurs near the ingates as rough lumps on the surface of a casting Results in general enlargement of the casting ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Which of the following methods can be used for manufacturing 2 meter long seamless metallic tubes? Drawing Extrusion and rolling Extrusion Rolling Drawing Extrusion and rolling Extrusion Rolling ANSWER DOWNLOAD EXAMIANS APP