engineering recuitment GATE ME 2023-24 Test Series Production Engineering (Manufacturing) Joining Welding
A linear voltage length characteristic is V = (25 + 50L) volts, where L is in cm. The V-I characteristic is linear with open-circuit voltage of 100 V and short-circuit current of 500 A. The arc length is 0.4 cm.
1
For 0.4 cm arc length, current = 275 A
2
The heat input is 10.52 kW
3
Voltage (V) = 45 volts
4
All options are correct