Manufacturing And Production Technology If the cutting speed is increased, then the built-up-edge Becomes longer May or may not form Becomes smaller and finally does not form at all Has nothing to do with speed Becomes longer May or may not form Becomes smaller and finally does not form at all Has nothing to do with speed ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Which of the following statement is incorrect with reference of lathe cutting tools? The flank of the tool is the surface or surfaces below and adjacent to the cutting edges The heel is that part of the tool which is shaped to produce the cutting edges and face The base is that surface of the shank which bears against the support and takes tangent pressure of the cut The nose is the corner, arc or chamfer joining the side cutting and the end cutting edges The flank of the tool is the surface or surfaces below and adjacent to the cutting edges The heel is that part of the tool which is shaped to produce the cutting edges and face The base is that surface of the shank which bears against the support and takes tangent pressure of the cut The nose is the corner, arc or chamfer joining the side cutting and the end cutting edges ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Larger than 15° side cutting edge angle Produces chipping and decreases tool life Decreases tool life Increases tool life Results in excessive stress concentration and greater heat generation Produces chipping and decreases tool life Decreases tool life Increases tool life Results in excessive stress concentration and greater heat generation 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. 2.17 rpm, 600 joules 5.03 rpm, 600 joules 6.8 rpm, 6 joules 22 rpm, 600 joules 2.17 rpm, 600 joules 5.03 rpm, 600 joules 6.8 rpm, 6 joules 22 rpm, 600 joules ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The increase in depth of cut and feed rate _________ surface finish. Improves None of these Does not effect Deteriorates Improves None of these Does not effect Deteriorates ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology A fine grained grinding wheel is used to grind Hard and brittle materials Soft and brittle materials Hard and ductile materials Soft and ductile materials Hard and brittle materials Soft and brittle materials Hard and ductile materials Soft and ductile materials ANSWER DOWNLOAD EXAMIANS APP
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