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ITI
Turner
Turner Set-1
Welding and Soldering
14

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

14) The function of the central hole in the tip of the cutting blowpipe is

Supply oxygen for preheating

Supply acetylene for preheating

Supply oxygen for cutting

Supply acetylene for cutting

Answer is:

Supply oxygen for cutting

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

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Related 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

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

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

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