Deck 8: Shielded Metal ARC Welding of Pipe

Question 1

The root pass is the _____ weld pass to be made. ​

A)first​
B)second​
C)third​
D)last​

Answer 1

A

Question 2

_____ is the term for when an arc is struck and the metal melts and cools quickly? ​

A)Quenched​
B)Porosity​
C)Striking​
D)Molten​

Answer 2

A

Question 3

In what positions are parts of the weld made in the 5G position? ​

Answer 3

In the 5G position parts of the weld are made in the flat, vertical, and overhead positions. ​

Question 4

_____ welds are best made as stringer beads. ​

Question 5

A drag travel angle is also known as a(n)_____. ​

A)electrode angle​
B)arc angle​
C)machine angle​
D)trailing angle​

Question 6

The term _____ identifies the weld pass that is used to clean up slag inclusions and fix a lack of penetration. ​

A)side wall​
B)burn out​
C)hot pass​
D)root weld​

Question 7

Why is a weld pass that is used to clean up slag inclusions and fix a lack of penetration referred to as "hot pass"? ​

Question 8

A(n)_____ is a weld for the purpose of holding parts in proper alignment until final welding can take place. ​

A)alignment weld​
B)electrode weld​
C)tack weld​
D)line weld​

Question 9

Smaller-diameter electrodes will allow easier _____ of the weld pool when out of position. ​

Question 10

_____ are individual beads that are not weaved and are not much wider than the welding electrode diameter. ​

A)Filler beads​
B)Cover beads​
C)Large beads​
D)Stringer beads​

Question 11

Why must tack welds meet the same requirements as the final welds? ​

Question 12

Regardless of which welding technique you adopt, _____ it is the key to making consistent, high-quality welds. ​

Question 13

_____ is the force that holds a molten weld pool in place when making an out-of-position weld. ​

A)Surface tension​
B)Root penetration​
C)Fusion​
D)Weld physics​

Question 14

SMAW pipe welds can be made using stringer beads, weave beads, or _____. ​

Question 15

What types of defects can result from weld metal being deposited before the gaseous cloud forms? ​

Question 16

The _____ is the final weld pass used to complete a weld. ​

A)filler pass​
B)cover pass​
C)final pass​
D)hot pass​

Question 17

_____ are used to fill up the weld groove to within 1/16 to 1/8 in. of the top of the groove. ​

A)Hot passes​
B)Filler passes​
C)Weld grooves​
D)Electrodes​

Question 18

The cover pass may be made with one single bead or multiple beads, depending on the _____ of the groove. ​

Question 19

Why is it important to only strike an arc in the groove to be welded? ​

Question 20

_____ refers to the distance from the end of the electrode to the molten weld pool. ​

A)Electrode angle​
B)Direction of travel ​
C)Push travel angle ​
D)Arc length​