WELDING TECHNIQUES - Practice Mode

1) Which defect can be controlled by keeping a magnetic bridge on the top of the groove joint?

Arc blow Distortion Uneven bead Slag inclusion

Correct Answer: Arc blow

2) Which among the joints are covered under fillet group?

T joint, Lap joint T joint, Corner joint Corner joint, Edge joint T joint, Lap joint, Corner joint, Edge joint

Correct Answer: T joint, Lap joint, Corner joint, Edge joint

3) What happens if the root gap is lesser than one sixth of plate thickness?

More chances of distortion More penetration will result Likely defects like blowhole, porosity Base metal not fused till the bottom of joint

Correct Answer: Base metal not fused till the bottom of joint

4) Which arc length produces popping sound?

Long arc length Short arc length Normal arc length Too long arc length

Correct Answer: Short arc length

5) What arc length should be used to reduce the spatter?

Long arc length Short arc length Normal arc length Too long arc length

Correct Answer: Normal arc length

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