Manufacturing And Production Technology The actual feed in centerless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions per minute, and α = Angle of inclination of wheel) πdn sinα πdn cosα πd πdn πdn sinα πdn cosα πd πdn ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology If a gas metal arc process uses a low arc voltage and the arc is continuously interrupted as the molten electrode metal fills up the arc gap is known as ARC length Short ARC ARC blow ARC ARC length Short ARC ARC blow ARC ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology In metal machining, the work-tool contact zone is a zone where heat is generated due to Burnishing friction None of these Plastic deformation of metal Friction between the moving chip and the tool face Burnishing friction None of these Plastic deformation of metal Friction between the moving chip and the tool face ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Lapping is an operation of Making a cone-shaped enlargement of the end of a hole Sizing and finishing a small diameter hole Producing a hole by removing metal along the circumference of a hollow cutting tool Smoothing and squaring the surface around a hole Making a cone-shaped enlargement of the end of a hole Sizing and finishing a small diameter hole Producing a hole by removing metal along the circumference of a hollow cutting tool Smoothing and squaring the surface around a hole 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. 22 rpm, 600 joules 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 ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology In centreless grinding, work place centre will be At the intersection of the line joining the wheel centres with the work place plane Above the line joining the two wheel centres On the line joining the two wheel centres Below the line joining the two wheel centres At the intersection of the line joining the wheel centres with the work place plane Above the line joining the two wheel centres On the line joining the two wheel centres Below the line joining the two wheel centres ANSWER DOWNLOAD EXAMIANS APP
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