Q2. a. List the difference between non-fusion and fusion forms of welding. b. Describe how the rightward or...

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Mechanical Engineering

Q2.
a. List the difference between non-fusion and fusion forms ofwelding.
b. Describe how the rightward or backward welding technique is doneand stating its advantages
and also when it is mainly used.
c. With the aid of a labeled diagram, describe the gas weldingprocess.
d. (i) Give one major reason for the use of fluxes during welding.Give one example.
(ii) Mention any two hazards that may occur in the weldingworkshop.

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Answer2aDifference between nonfusion and fusion forms ofweldingNon fusion welding is the process in which themetal which need to be joined or welded is heated up to the semimolten or partial molten state and than for the complete weldingpressure is applied Spot welding projection welding flashwelding upset welding are the process of welding which comes undernon fusion welding technique All resistance welding are type ofnon fusion type of welding It is generally the process of weldingwhich doesnt include metlting or include just partial heatingFusion welding the process of welding in which the metal to bejoined is heated up to molten state and after that when moltenmetal solidifies it results in the complete welding processAllarc See Answer

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