In plasma arc welding the gas is?

Related MCQs

• What is the differentiating factor between flux core arc welding and gas-shielded metal arc welding processes?
• What is the only difference between Plasma arc welding and TIG welding?
• If the total efficiency is 0.35 in arc welding. Then what is the welding speed in mm/sec if the cross-sectional area is 5mm2, welding power is 2 kW and the heat required in melting the metal is 100 J/mm3.
• In arc welding, arc is created between the electrode and work by?
• The deflection of the arc in arc blow is by?
• How does the arc voltage V depends upon the length of arc L?
• Upon which of the following parameters does the current intensity in arc welding depend?
• The maximum diameter of electrodes being used in submerged arc welding?
• What is the function of flux in submerged arc welding?
• Which of the following is true about shielded metal arc welding?