Seam weiding is a continuous spot welding process multi-spot welding process arc

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Correct Answer

continuous spot welding process

1. Fin is a casting defect which is due to thin projections of metal not intended as a part of casting.
Options
A. Correct
B. Incorrect

Correct Answer: Correct

2. In a four high rolling mill, the diameter of backing up rolls is __________ the diameter of working rolls.
Options
A. equal to
B. smaller than
C. larger than

Correct Answer: larger than

Correct Answer: wooden nails

Correct Answer: direct current is used

5. The welding process used to join the ends of two pipes of uniform cross-section, is
Options
A. spot welding
B. seam welding
C. projection welding
D. upset butt welding

Correct Answer: upset butt welding

6. For smoothing and cleaning out depressions in the mould, a __________ is used.
Options
A. slick
B. lifter
C. swab
D. gagger

Correct Answer: lifter

7. The algebraic difference between the maximum limit and the basic size is called
Options
A. actual deviation
B. upper deviation
C. lower deviation
D. fundamental deviation

Correct Answer: upper deviation