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Turner
Turner Set-1
Welding and Soldering
15

Welding and Soldering MCQ - Turner (Set-1) with Answers

15) Cast iron contains two elements, which makes it difficult to cut it by gas cutting. What are these two elements ?

Sulphur and phosphorous

Silicone and Graphite

Graphite and phosphorous

Silicon sulphur

Answer is:

Silicone and Graphite

Welding and Soldering MCQ - Turner (Set-1) with Answers

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Related Welding and Soldering MCQ - Turner (Set-1) with Answers

16) Which fuel gas is used for cutting in deep under water ?

Acetylene

Hydrogen

LPG

Methane

Answer is:

Hydrogen

17) If L (mm) is the length of the inner cone of the flame, the tip-to-metal distance should be

L mm

L + 2 mm

L + 4 mm

L + 6 mm

Answer is:

L + 2 mm

18) The correct flame for preheating before cutting is

oxidizing flame

neutral flame

carburizing flame

slightly carburizing flame

Answer is:

neutral flame

19) While gas cutting the nozzle should

almost touch the work

be 10 mm away from the work

be 2 mm away from the work

be 5 mm away from the work

Answer is:

be 5 mm away from the work

Welding and Soldering MCQ - Turner (Set-1) with Answers

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