engineering recuitment GATE ME 2023-24 Test Series Production Engineering (Manufacturing) Joining Welding
Consider the following parameter in gas metal arc welding which OC supply
The welding speed = 8 m/min
Voltage = 40 V
Electrode diameter = 1.5 mm
Electrode feed rate = 14 m/min
The density of electrode = 8000 kg/m3
Specific heat of electrode = 600 J/kg.°C
The melting temperature of the electrode = 1580 °C
Latent heat of electrode = 265.6 kJ/kg
Ambient temperature = 30 °C
The electric efficiency = 65%
The melting efficiency = 40%
What will be the required welding current in A?
Enter numerical value using the virtual keypad. Round off where necessary.