Manufacturing And Production Technology Which of the following statement is correct in regard to centreless grinding? It requires no holding device for the work The workpiece is supported throughout its entire length as grinding takes place All of these It is a continuous process and adopted for production work It requires no holding device for the work The workpiece is supported throughout its entire length as grinding takes place All of these It is a continuous process and adopted for production work 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 2.17 rpm, 600 joules 6.8 rpm, 6 joules 5.03 rpm, 600 joules 22 rpm, 600 joules 2.17 rpm, 600 joules 6.8 rpm, 6 joules 5.03 rpm, 600 joules ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Misrun is a casting defect which occurs due to Very high pouring temperature of the metal Improper alignment of the mould flasks Absorption of gases by the liquid metal Insufficient fluidity of the molten metal Very high pouring temperature of the metal Improper alignment of the mould flasks Absorption of gases by the liquid metal Insufficient fluidity of the molten metal ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology When the end of a tap is tapered for about three or four threads, it is known as a Bottoming tap None of these Taper tap Second tap Bottoming tap None of these Taper tap Second tap ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The hardness of a grinding wheel is determined by the Hardness of the bond Hardness of abrasive grains Ability of the bond to retain abrasives Ability of the grinding wheel to penetrate the work piece Hardness of the bond Hardness of abrasive grains Ability of the bond to retain abrasives Ability of the grinding wheel to penetrate the work piece ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology In a particular type of welding, flux is prepared in the form of a coarse powder and granulated flux is spread over the joint. What is this type of welding process called? Electric arc welding Submerged arc welding TIG welding MIG welding Electric arc welding Submerged arc welding TIG welding MIG welding ANSWER DOWNLOAD EXAMIANS APP
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