Manufacturing And Production Technology Tool life is generally better when Grain size of the metal is large Grain size of the metal is small None of the listed here Hard constituents are present in the micro-structure of the tool material Grain size of the metal is large Grain size of the metal is small None of the listed here Hard constituents are present in the micro-structure of the tool material ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Crater wear is mainly due to the phenomenon known as Diffusion of metals Oxidation of metals Adhesion of metals All of these Diffusion of metals Oxidation of metals Adhesion of metals All of these ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology When the shear angle is small Path of shear is large and chip is thick Path of shear is large and chip is thin Path of shear is short and chip is thin Path of shear is short and chip is thick Path of shear is large and chip is thick Path of shear is large and chip is thin Path of shear is short and chip is thin Path of shear is short and chip is thick 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. 5.03 rpm, 600 joules 2.17 rpm, 600 joules 6.8 rpm, 6 joules 22 rpm, 600 joules 5.03 rpm, 600 joules 2.17 rpm, 600 joules 6.8 rpm, 6 joules 22 rpm, 600 joules ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology In an orthogonal cutting, the depth of cut is halved and the feed rate is double. If the chip thickness ratio is unaffected with the changed cutting conditions, the actual chip thickness will be Doubled Unchanged Halved Quadrupled Doubled Unchanged Halved Quadrupled ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology What is the type of joining process called, where the parts to be welded are kept in contact and rotated relative to each other and axial pressure is applied when the desired temperature is obtained? Friction welding Electron beam welding Ultrasonic welding Forge welding Friction welding Electron beam welding Ultrasonic welding Forge welding ANSWER DOWNLOAD EXAMIANS APP
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