MCQ - TNPSC JTO
JTO - 440 - Welder
440 - Unit IV Arc Welding Power Sources
97)
For welding thin sheets without burn-through, DC welding with:
A.
B.
C.
D.
98)
AC welding rods usually have coatings to:
A.
B.
C.
D.
99)
In DC welding, the heat distribution between electrode and work depends on:
A.
B.
C.
D.
100)
The choice between AC and DC welding depends on:
A.
B.
C.
D.