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MCQ - TNPSC JTO

JTO - 440 - Welder

440 - Unit V Arc Welding Positions

49)   

AWS welding symbol "□" means:

A.
B.
C.
D.
50)   

In BIS standards, the symbol for intermittent weld includes:

A.
B.
C.
D.
51)   

In DC welding, current flowing from electrode to workpiece is called:

A.
B.
C.
D.
52)   

Straight polarity in DC welding is also known as:

A.
B.
C.
D.
53)   

In reverse polarity, electrons flow from:

A.
B.
C.
D.
54)   

Reverse polarity in DC welding is also termed as:

A.
B.
C.
D.
55)   

Which polarity gives deeper penetration in DC welding?

A.
B.
C.
D.
56)   

Which polarity is preferred for welding thin sheets?

A.
B.
C.
D.
57)   

For welding aluminium with DC, which polarity is preferred?

A.
B.
C.
D.
58)   

Which polarity is used in TIG welding for non-ferrous metals?

A.
B.
C.
D.
59)   

AC polarity alternates current flow:

A.
B.
C.
D.
60)   

Which welding process uses both AC and DC polarity?

A.
B.
C.
D.
61)   

For deep penetration in carbon steel welding, the polarity used is:

A.
B.
C.
D.
62)   

Reverse polarity is also used for:

A.
B.
C.
D.
63)   

In DCEP, the electrode gets:

A.
B.
C.
D.
64)   

In DCEN, the workpiece gets:

A.
B.
C.
D.