Manufacturing And Production Technology In order to obtain a surface finish in the range of 0.75 μm to 1.25 μm , the operation used is called. Honing Buffing Grinding Lapping Honing Buffing Grinding Lapping ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Which of the following operations can be performed with milling cutters? Cutting teeth of spur gears Cutting key ways on shafts All of these Cutting external screw threads Cutting teeth of spur gears Cutting key ways on shafts All of these Cutting external screw threads ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology In electro-discharge machining, dielectric is used to Control the spark discharges Help in the movement of the sparks All of these Act as coolant Control the spark discharges Help in the movement of the sparks All of these Act as coolant 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 Jigs are used To check the accuracy of workpiece For holding the work in milling, grinding, planing or turning operations For holding and guiding the tool in drilling, reaming or tapping operations None of these To check the accuracy of workpiece For holding the work in milling, grinding, planing or turning operations For holding and guiding the tool in drilling, reaming or tapping operations None of these ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Tool life is generally better when Grain size of the metal is small Grain size of the metal is large None of the listed here Hard constituents are present in the micro-structure of the tool material Grain size of the metal is small Grain size of the metal is large None of the listed here Hard constituents are present in the micro-structure of the tool material ANSWER DOWNLOAD EXAMIANS APP
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