Manufacturing And Production Technology It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece. Which of the following machine will be used? Multiple spindle drilling machine Gang drilling machine Radial drilling machine Sensitive drilling machine Multiple spindle drilling machine Gang drilling machine Radial drilling machine Sensitive drilling machine ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent, which depends upon the tool and workpiece, and C = A constant) VnT = C V/Tn = C VTn = C Vn/T = C VnT = C V/Tn = C VTn = C Vn/T = C 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 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 ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Small nose radius 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 In ECM, the material removal is due to Fusion Corrosion Ion displacement Erosion Fusion Corrosion Ion displacement Erosion ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The method of grinding used to produce internal cylindrical holes and tapers, is Form grinding Internal cylindrical grinding External cylindrical grinding Surface grinding Form grinding Internal cylindrical grinding External cylindrical grinding Surface grinding ANSWER DOWNLOAD EXAMIANS APP
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