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Fitter
Fitter Set-2
Welding
18

Welding MCQ with Answers

18) What is the storing capacity of oxygen cylinder?

7 m³

10 m³

14 m³

15 m³

Answer is:

7 m³

Welding MCQ with Answers

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Related Welding MCQ with Answers

19) What is the equipment used to protect the body from flying spark during gas cutting?

Leather cap

Leather apr

Leather shoes

Cutting goggles

Answer is:

Leather apr

20) How to extinguish the flame after use in gas welding?

Shut off oxygen and dip blow pipe in water

Shut off oxygen and acetylene valve at a time

Shut off oxygen valve first next acetylene valve

Shut off acetylene valve first next oxygen valve

Answer is:

Shut off acetylene valve first next oxygen valve

Explanation:

In oxy acetylene welding Acetylene gas is closed first to avoid back fire.

How to extinguish the flame after use in
gas welding?

21) Why humming sound effects during arc welding?

Long arc length

Speedy welding

Short arc welding

Normal arc length

Answer is:

Long arc length

22) Which internal defect in welding is invisible to naked eye?

Spatter

Porasity

Undercut

Stray arc

Answer is:

Porasity

Welding MCQ with Answers

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