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Welding
5

Welding MCQ with Answers

5) Which one of the following is the type of transformer used in arc welding ?

Step down

Step up

One-to-one

Capable of increasing supply voltage

Answer is:

Step down

Welding MCQ with Answers

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Related 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

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

Welding MCQ with Answers

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