Manufacturing And Production Technology What is the type of welding defect caused due to poor manipulation of weld rod or a dirty joint called? Undercut Crack Under fill Porosity Undercut Crack Under fill Porosity ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Volume of a cube of side ‘l’ and volume of a sphere of radius ‘r’ are equal. Both the cube and the sphere are solid and of same material. They are being cast. The ratio of the solidification time of the cube to the same of the sphere is (4π/6)³ × (r/l)⁶ (4π/6) × (r/l)² (4π/6)² × (r/l)³ (4π/6)² × (r/l)⁴ (4π/6)³ × (r/l)⁶ (4π/6) × (r/l)² (4π/6)² × (r/l)³ (4π/6)² × (r/l)⁴ ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology In DC arc welding, if leads are arranged in work as Negative pole of the welding arc and electrode as Positive pole of the welding arc, the arrangement is known as Fusion Reverse polarity Direct polarity Forward welding Fusion Reverse polarity Direct polarity Forward welding ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is 10 m/min 5 m/min 30 m/min 15 m/min 10 m/min 5 m/min 30 m/min 15 m/min ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Work speed of circular electrode of 220 mm diameter for carrying out seam welding at 4 welds per cm on 1.6 mm thick mild steel tube. Welding cycle consists of 3 cycles ‘on’ and 2 cycles ‘off’ Power supply is at 50 Hz. Calculate R.P.M. and energy requirement of the above circular electrodes assuming effective resistance between electrodes as 100 ohm. 6.8 rpm, 6 joules 2.17 rpm, 600 joules 22 rpm, 600 joules 5.03 rpm, 600 joules 6.8 rpm, 6 joules 2.17 rpm, 600 joules 22 rpm, 600 joules 5.03 rpm, 600 joules ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology In metal machining, the zone where the maximum heat is generated due to the plastic deformation of metal, is called Shear zone None of these Friction zone Work-tool contact zone Shear zone None of these Friction zone Work-tool contact zone ANSWER DOWNLOAD EXAMIANS APP