Manufacturing And Production Technology What is the type of joining process called, where the parts to be welded are kept in contact and rotated relative to each other and axial pressure is applied when the desired temperature is obtained? Forge welding Friction welding Electron beam welding Ultrasonic welding Forge welding Friction welding Electron beam welding Ultrasonic welding ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology What is the welding defect caused due to improper control and poor removal of slog between passes called? Mismatch Under fill Porosity Crack Mismatch Under fill Porosity Crack 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 2.17 rpm, 600 joules 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 ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology A _________ grinding wheel is used to grind soft materials. None of these Fine grained Medium grained Course grained None of these Fine grained Medium grained Course grained ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The effective number of lattice points in the unit cell of simple cubic, body centered cubic, and face centered cubic space lattices, respectively, are 1, 2, 2 1, 2, 4 2, 4, 4 2, 3, 4 1, 2, 2 1, 2, 4 2, 4, 4 2, 3, 4 ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Which of the following statement is correct regarding grinding of high carbon steel? The grinding wheel has to be of open structure. Aluminium oxide wheels are employed. All of these Grinding at high speed results in the reduction of chip thickness and cutting forces per grit. The grinding wheel has to be of open structure. Aluminium oxide wheels are employed. All of these Grinding at high speed results in the reduction of chip thickness and cutting forces per grit. ANSWER DOWNLOAD EXAMIANS APP