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Plumber
Plumber Set-1
Welding
25

Welding MCQ with Answers

25) What is the alloy of soft solder?

Lead and copper

Lead and bronze

Lead and silver

Lead and tin

Answer is:

Lead and tin

Welding MCQ with Answers

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Related Welding MCQ with Answers

26) Which type of soldering iron copper tip is heated by a forge?

Transformer type electric soldering iron

Electric soldering iron

Soldering iron (hatchet type)

General purpose electric soldering iron

Answer is:

Soldering iron (hatchet type)

27) What is the application of fine solder?

Soldering brass & copper

Galvanized iron sheets

Sheet metal application

Heaters and general electrical work

Answer is:

Heaters and general electrical work

28) Which inorganic flux is used in the form powder or mixed with water to clean the iron or steel surfaces?

Ammonium chloride

Zinc chloride

Phosphoric acid

Hydrochloric acid

Answer is:

Ammonium chloride

29) What is the maximum permitted gap between the two joining surface in brazing?

0.06 mm

0.07 mm

0.08 mm

1.00 mm

Answer is:

0.08 mm

Welding MCQ with Answers

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