Manufacturing And Production Technology In metal machining, the zone where the heat is generated due to friction between the moving chip and the tool face, is called Work-tool contact zone Friction zone None of these Shear zone Work-tool contact zone Friction zone None of these Shear zone ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology A twist drill is specified by its Any one of these Material, length of body and helix angle Shank, material and diameter Shank, lip angle and size of flute Any one of these Material, length of body and helix angle Shank, material and diameter Shank, lip angle and size of flute 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 If the helix angle of the drill is made ________ 30°, then the torque required to drive the drill at a given feed will be more. More than Equal to Less than None of these More than Equal to Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology A drill bit of 20 mm diameter rotating at 500 r.p.m. with a feed rate of 0.2 mm/revolution is used to drill a through hole in a mild steel plate 20 mm thickness. The depth of cut in this drilling operation is 20 mm 10 mm 100 mm 0.2 mm 20 mm 10 mm 100 mm 0.2 mm ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Glazing in grinding wheels __________ cutting capacity. None of these Has no effect on Decrease Increase None of these Has no effect on Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
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