Manufacturing And Production Technology In drilling aluminium, a drill with Low helix angle is used Any helix angle can be used High helix angle is used Zero helix angle is used Low helix angle is used Any helix angle can be used High helix angle is used Zero helix angle is used ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Twist drills are made of Either (A) or (B) Stainless steel Carbon steel High speed steel Either (A) or (B) Stainless steel Carbon steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The type of reamer used for reaming operation in a blind hole, is Left hand spiral fluted reamer Any one of these Straight fluted reamer Right hand spiral fluted reamer Left hand spiral fluted reamer Any one of these Straight fluted reamer Right hand spiral fluted reamer ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Thread grinding requires work speed from 5 to 10 m/min 14 to 20 m/min 10 to 14 m/min 1 to 3 m/min 5 to 10 m/min 14 to 20 m/min 10 to 14 m/min 1 to 3 m/min ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The carbide tools operating at very low cutting speeds (below 30 m/min) Spoils the work piece Reduces tool life Have no effect on tool life Increases tool life Spoils the work piece Reduces tool life Have no effect on tool life Increases tool life 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 5.03 rpm, 600 joules 6.8 rpm, 6 joules 22 rpm, 600 joules 2.17 rpm, 600 joules 5.03 rpm, 600 joules 6.8 rpm, 6 joules ANSWER DOWNLOAD EXAMIANS APP
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