Manufacturing And Production Technology A drill mainly used in drilling brass, copper or softer materials, is Straight fluted drill Parallel shank twist drill Flat drill Tapered shank twist drill Straight fluted drill Parallel shank twist drill Flat drill Tapered shank twist drill ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The angle formed by the leading edge of the land with a plane having the axis of the drill, is called Lip clearance angle Helix or rake angle Point angle Chisel edge angle Lip clearance angle Helix or rake angle Point angle Chisel edge angle ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology In drilling brass, a drill with High helix angle is used Low helix angle is used Any helix angle can be used Zero helix angle is used High helix angle is used Low helix angle is used Any helix angle can be used Zero helix angle is used 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 5.03 rpm, 600 joules 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 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 The grade of grinding wheel depends upon Speed of wheel and work Hardness of the material being ground Condition of grinding machine All of these Speed of wheel and work Hardness of the material being ground Condition of grinding machine All of these ANSWER DOWNLOAD EXAMIANS APP
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