Manufacturing And Production Technology Hardness of green sand mould increases with Increase in permeability Increase in both moisture content and permeability Increase in moisture content beyond 6 percent Decrease in permeability Increase in permeability Increase in both moisture content and permeability Increase in moisture content beyond 6 percent Decrease in permeability ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology In DC arc welding, if leads are arranged in work as Negative pole of the welding arc and electrode as Positive pole of the welding arc, the arrangement is known as Reverse polarity Forward welding Fusion Direct polarity Reverse polarity Forward welding Fusion Direct polarity ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The saw milling is an operation of Producing narrow slots or grooves on a workpiece Reproduction of an outline of a template on a workpiece Machining several surfaces of a workpiece simultaneously Producing grooves around the periphery of a cylindrical or conical workpiece Producing narrow slots or grooves on a workpiece Reproduction of an outline of a template on a workpiece Machining several surfaces of a workpiece simultaneously Producing grooves around the periphery of a cylindrical or conical workpiece ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Soft materials can not be economically ground due to Low work piece stiffness Rapid wheel wear High temperature involved Frequent wheel clogging Low work piece stiffness Rapid wheel wear High temperature involved Frequent wheel clogging 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 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 ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The hardness of a grinding wheel is specified by Letter of alphabet Rockwell hardness number Brinell hardness number Vickers pyramid number Letter of alphabet Rockwell hardness number Brinell hardness number Vickers pyramid number ANSWER DOWNLOAD EXAMIANS APP
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