Manufacturing And Production Technology The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent, which depends upon the tool and workpiece, and C = A constant) VnT = C VTn = C V/Tn = C Vn/T = C VnT = C VTn = C V/Tn = C Vn/T = C ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is 10 m/min 5 m/min 15 m/min 30 m/min 10 m/min 5 m/min 15 m/min 30 m/min 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 22 rpm, 600 joules 5.03 rpm, 600 joules 2.17 rpm, 600 joules 6.8 rpm, 6 joules 22 rpm, 600 joules 5.03 rpm, 600 joules 2.17 rpm, 600 joules ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Lapping is an operation of Smoothing and squaring the surface around a hole Producing a hole by removing metal along the circumference of a hollow cutting tool Making a cone-shaped enlargement of the end of a hole Sizing and finishing a small diameter hole Smoothing and squaring the surface around a hole Producing a hole by removing metal along the circumference of a hollow cutting tool Making a cone-shaped enlargement of the end of a hole Sizing and finishing a small diameter hole ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The average cutting speed for turning brass with a high speed steel tool is 60 to 90 m/min 25 to 31 m/min 90 to 120 m/min 15 to 19 m/min 60 to 90 m/min 25 to 31 m/min 90 to 120 m/min 15 to 19 m/min ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Two streams of liquid metal which are not hot enough to fuse properly result into a casting defect known as Scab Sand wash Cold shut Swell Scab Sand wash Cold shut Swell ANSWER DOWNLOAD EXAMIANS APP
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