Overlapping stringer beads must be carefully cleaned to prevent _____
a. arc blow
b. arc wander
c. undercutting
d. slag inclusions
d
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How much channel iron remains in the scrap pile, in inches?
The inventory of a scrap pile is as follows: Channel iron, 87” Plate steel, 147” Key stock, 45” Pipe, 69” Flat iron strap, 208” A pipe support is welded using the following materials from the scrap pile: Channel iron, 61” Plate steel, 106” Key stock, 39” Pipe, 22” Flat iron strap, 189”
Symbol E in Figure 2 represents a _____.
a. float switch b. temperature switch c. pressure switch d. foot switch
Arc welding is used extensively in agricultural mechanics. Name three advantages of arc welding
What will be an ideal response?
The minimum brazing temperature is about _____
A) 1,550°F (843°C) B) 1,425°F (775°C) C) 1,300°F (705°C) D) 1,200°F (649°C)