Manufacturing And Production Technology Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the plate thickness changes, welding is achieved by Adjusting the current Adjusting the duration of current Changing the electrode coating Changing the electrode size Adjusting the current Adjusting the duration of current Changing the electrode coating Changing the electrode size ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology For turning small taper on long workpiece, the suitable method is By a form tool By swiveling the compound rest By a taper turning attachment By setting over the tail stock By a form tool By swiveling the compound rest By a taper turning attachment By setting over the tail stock ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The high cutting speed and large rake angle of the tool will result in the formation of Discontinuous chip Continuous chips with built up edge Continuous chips None of these Discontinuous chip Continuous chips with built up edge Continuous chips None of these ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The operation of producing grooves around the periphery of a cylindrical or conical workpiece is called Gang milling Helical milling Saw milling Profile milling Gang milling Helical milling Saw milling Profile milling ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Fixtures are used For holding and guiding the tool in drilling, reaming or tapping operations For holding the work in milling, grinding, planing or turning operations To check the accuracy of workpiece None of these For holding and guiding the tool in drilling, reaming or tapping operations For holding the work in milling, grinding, planing or turning operations To check the accuracy of workpiece None of these 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. 22 rpm, 600 joules 6.8 rpm, 6 joules 2.17 rpm, 600 joules 5.03 rpm, 600 joules 22 rpm, 600 joules 6.8 rpm, 6 joules 2.17 rpm, 600 joules 5.03 rpm, 600 joules ANSWER DOWNLOAD EXAMIANS APP
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