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Fitter Set-1
Welding
6

Welding MCQ with Answers

6) The welding machine, which is used to convert AC welding supply to DC welding supply is

Motor generator set

Engine generator set

Rectifier set

Welding transformer

Answer is:

Rectifier set

Welding MCQ with Answers

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Related Welding MCQ with Answers

7) In DC welding heat distribution is possible between electrode and the base metal due to the chance of polarity. The distribution of heat is

Positive 2/3 and negative 1/3

Positive 1/3 and negative 2/3

Positive 3/4 and negative 1/4

Positive 1/4 and negative 3/4

Answer is:

Positive 2/3 and negative 1/3

8) The position in which it is easiest to weld is

Flat

Vertical

Horizontal

Overhead

Answer is:

Flat

9) The electrode size refers to

diameter of its core wire

diameter (overall) of electrode

thickness of flux coating

length of electrode

Answer is:

diameter of its core wire

10) One of the functions of electrode coating is

to increase welding current

to stabilize the arc

to prevent rusting

to control arc temperature

Answer is:

to stabilize the arc

Welding MCQ with Answers

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