Workshop Technology Seam welding is best adopted for metal thickness ranging from 0.025 to 3 mm 8 to 10 mm 3 to 5 mm 5 to 8 mm 0.025 to 3 mm 8 to 10 mm 3 to 5 mm 5 to 8 mm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For welding plates of thickness more than 12.5 mm, its edges Should have a double-V or U-groove on both sides Should have a double-V or U-groove on one side Do not require bevelling Should be bevelled to a single-V or U-groove Should have a double-V or U-groove on both sides Should have a double-V or U-groove on one side Do not require bevelling Should be bevelled to a single-V or U-groove ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The oxyacetylene gas used in gas welding produce a flame temperature of 3200°C 2400°C 2100°C 1800°C 3200°C 2400°C 2100°C 1800°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the temperature of heat produced by the electric arc is of the order of 3000°C to 4000°C 5000°C to 6000°C 6000°C to 7000°C 4000°C to 5000°C 3000°C to 4000°C 5000°C to 6000°C 6000°C to 7000°C 4000°C to 5000°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Cores are used to Form internal cavities in the casting Form a part of a green sand mould Improve mould surface All of these Form internal cavities in the casting Form a part of a green sand mould Improve mould surface All of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology When the dimension is expressed as 20 -0.025 ⁺⁰∙⁰³⁵, then the basic size is 20.025 mm 20 mm 19.975 mm 20.035 mm 20.025 mm 20 mm 19.975 mm 20.035 mm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS