Manufacturing And Production Technology The cutting speed for drilling aluminium, brass and bronze with high speed steel drills varies from 60 to 90 m/min 18 to 30 m/min 10 to 20 m/min 24 to 45 m/min 60 to 90 m/min 18 to 30 m/min 10 to 20 m/min 24 to 45 m/min ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Chip breakers are used to To minimize heat generation Remove chips from bed Increase tool life Break the chips into short segments To minimize heat generation Remove chips from bed Increase tool life Break the chips into short segments ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Soft materials can not be economically ground due to Frequent wheel clogging Low work piece stiffness High temperature involved Rapid wheel wear Frequent wheel clogging Low work piece stiffness High temperature involved Rapid wheel wear 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 6.8 rpm, 6 joules 2.17 rpm, 600 joules 22 rpm, 600 joules 5.03 rpm, 600 joules 6.8 rpm, 6 joules 2.17 rpm, 600 joules 22 rpm, 600 joules ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology In a single point tool, the angle between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base, is known as Side rake angle Back rake angle End relief angle Side relief angle Side rake angle Back rake angle End relief angle Side relief angle ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is Tool and cutter grinder Internal grinder Surface grinder Cylindrical grinder Tool and cutter grinder Internal grinder Surface grinder Cylindrical grinder ANSWER DOWNLOAD EXAMIANS APP
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