Manufacturing And Production Technology Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance to be 200 μm and current flow time of 0.2 second, heat generated during the process will be 1000 Joule 0.2 Joule 1 Joule 5 Joule 1000 Joule 0.2 Joule 1 Joule 5 Joule ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Internal or external threads of different pitches can be produced by Profiling machine Pantograph milling machine Piano miller Planetary milling machine Profiling machine Pantograph milling machine Piano miller Planetary milling machine ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology High speed steel cutting tools operate at cutting speeds _________ than carbon steel tools. 5 to 8 times higher 2 to 3 times higher 2 to 3 times lower 8 to 20 times higher 5 to 8 times higher 2 to 3 times higher 2 to 3 times lower 8 to 20 times higher ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology A hole is of dimension φ = 9 ₊0⁺⁰∙⁰¹⁵ mm. The corresponding shaft is of dimension φ = 9 ₊0.001⁺⁰∙⁰¹⁰ mm. The resulting assembly has Interference fit Close running fit Loose running fit Transition fit Interference fit Close running fit Loose running fit Transition fit ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Hard and tough materials like cast iron should be turned at Slow speed High speed Any speed Certain specific speed Slow speed High speed Any speed Certain specific speed ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Calculate the weld per minute, 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. 500 welds/min, 1250 mm/min 22 welds/min, 55 mm/min 600 welds/min, 1500 mm/min 3000 welds/min, 75 mm/min 500 welds/min, 1250 mm/min 22 welds/min, 55 mm/min 600 welds/min, 1500 mm/min 3000 welds/min, 75 mm/min ANSWER DOWNLOAD EXAMIANS APP
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