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 10 mm 20 mm 0.2 mm 100 mm 10 mm 20 mm 0.2 mm 100 mm ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology What is the type of welding defect caused due to poor manipulation of weld rod or a dirty joint called? Under fill Porosity Crack Undercut Under fill Porosity Crack Undercut ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Which type of motor is not used in axis or spindle drives of CNC machine tools? Linear servo motor Induction motor DC servo motor Stepper motor Linear servo motor Induction motor DC servo motor Stepper motor ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology A lathe with four steps on the cone pulley and with back-gears will have Eight indirect speeds Four indirect speeds Four direct speeds Four direct and four indirect speeds Eight indirect speeds Four indirect speeds Four direct speeds Four direct and four indirect speeds 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 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 5.03 rpm, 600 joules ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology In which of the following machine, the work remains stationary and the tool is rotated? Jig boring machine Precision boring machine Horizontal boring machine Vertical boring machine Jig boring machine Precision boring machine Horizontal boring machine Vertical boring machine ANSWER DOWNLOAD EXAMIANS APP
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