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Plumber Set-1
Welding
24

Welding MCQ with Answers

24) What type of solder is used for soldering in heavy (thick) metals?

Soft solder

Hard solder

Coarse solder

Fine solder

Answer is:

Hard solder

Welding MCQ with Answers

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Related 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

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

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