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Arc Welding - Quiz Starter Quiz 2
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Question 1
In plasma arc welding, temperature of following order may be generated
Question 2
In arc welding, arc is created between the electrode and work by _________.
Question 3
The arc length in arc welding should be equal to
Question 4
Current range in Sub-merged arc welding _________?
Question 5
The DC power source for arc welding has the characteristics 4V+ I = 240, where V = voltage and I= current in amp for maximum arc power at the electrode voltage should be ______.
Question 6
The voltage length characteristic of a direct current (dc) arc is given by
V = (20 + 40 L) Watts
Where, L is the length of the arc in cm. The power source characteristic is approximated by a straight line with an open circuit voltage = 80 V and a short circuit current = 1000 amp. The optimum arc length is _________ (in cm).
Question 7
In which type of welding arc is maintained under pool of molten metal used?
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