?Explain the difference between manual welding and semiautomatic welding.
What will be an ideal response?
?With manual welding the welder is required to manipulate the entire process but with semiautomatic welding the filler metal is added automatically, and all other manipulation is done manually by the welder.
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A propagation facility should contain three basic areas. These are ________, ________, and ________.
Fill in the blank(s) with the appropriate word(s).
Describe the weld(s) required to join A3 to A2.
Review drawing number 523838C0A and then answer the question.
_____ occurs when the weld pool shrinks as it cools and the bead becomes concave.? ?
Fill in the blank(s) with the appropriate word(s).
The general types of commercial control systems include
A) Electro-mechanical, electronic, pneumatic, and direct digital B) DC millivoltage, DC microamp loop, AC frequency modulation C) Self contained and remote D) Low voltage, line voltage, and millivoltage