What is welding?   What are the different types of welding?   What are the symbols of welding?   What are the testing/checking process of welding?

Q: is to be selected such that highest cooling rate In arc welding of a butt joint, the welding speed…

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Q: Why is it important to clean all contamination such as oxides, oil, and dirt off of the surface of…

A: Gas tungsten arc welding (GTAW):   In gas tungsten arc welding, a non-consumable electrode made of…

Q: Discuss in details different type of resistance welding with the help of best diagram

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Q: For a cross section of a typical fusion-welded joint: (a) list all types of different zones in the…

A: The microstructure and grain size of the welded joint depend on the amount of heat applied and the…

Q: a) Why is good eye protection far more important when arc welding rather than gas welding? b)…

A: Good eye protection far more important when arc welding rather than gas welding because arc welding…

Q: heat treatment is applied in welding processes and what its importance

A: Heat treatment in welding operation :

Q: 2. Is it important that base metal and filler rod have the same melting point or made of the same…

A: No,  it is not important that base metal and filler rod have the same melting point or are made of…

Q: Explain the process of thermite welding with neat sketch. Write its applications.

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Q: accuracy of the finished workpiece in welding works?  Is it possible to have an accurate workpiece…

A: INTRODUCTION  Welding desertsWeld deformities, for example, breaking and porosity greatly affect the…

Q: 3) Why is friction stir welding known as "green technology"? O It uses a green coloured tool Due to…

A: Friction stir welding: The friction stir welding is a solid state joining process in which a…

Q: Discuss the arc welding quality and type of defects involved? What are the inspection and testing…

A: Arc welding quality: The arc welding qualities are given as under: (1) There will be no cracks in…

Q: What advantages do the welded joints offer in comparison to riveted joints? Explain a minimum of…

A: ADVANTAGES : The welded structures are usually lighter than riveted structures. This is due to the…

Q: What are the parameters of inert gas welding process?

A: The parameters for the inert gas welding process are as follows: Welding Current Welding Voltage…

Q: What are the 5 properties of metals?  Why is it important to know for welding purposes?

A: 1. Hardness:- Properties of material which resist the penetration and wear by another metal or…

Q: 3- What are the main classes of welding? 4- With drawing explain flam different types, what type is…

A: There are three primary flame types: neutral (balanced), excess acetylene (carburizing), and excess…

Q: Welding is a common method to join separate parts of metal together. Briefly describe the conditions…

A: Several industrial and production operations rely heavily on the welding process. Metals of all…

Q: What is metal inert gas welding and the effect of metal inert gas welding process parameters?…

A: what is metal inert gas welding?? answer-In this type of welding consumable type of electrode used.…

Q: 5) Which of the following welding processes combination suitable for dissimilar joining of Plastic…

A: here, Resistant welding Use only for metal which can conduct the electricity. As far as plastic is…

Q: Calculate the heat input of welded Truss by assuming the welding current is 180 amperages, its arc…

A: Given data,  u= 7cm/min= 1.167 mm/s  V= 23 volt  I=180 amp.

Q: What is soldering? What is solder?

A: Soldering: 1.  Soldering is a joining of metals through the use of heat and the filler material…

Q: What is the function of flux in submerged arc welding?a) To completely cover the welded zone b) To…

A: In the submerged arc, welding flux acts as an oxygen barrier by creating a coating for the surface…

Q: Calculate the heat input of welded Truss if the welding current is 215 amperages, its arc voltage is…

A: Given, Current, I=215AVoltage,V=21VWelding travel speed,v=15cm/minTo calculate,Heat input of welded…

Q: What is the purpose of oxy-acetylene welding, and how this process differ from arc welding?

A: Oxy-acetylene welding or gas welding: A joining or welding process which is done by combustion of…

Q: Explain the mechanism of heat generation in Resistance spot welding. Explain the Force (current) vs…

A: some specific things of spot welding: thickness=1-2 mmcurrent=10000-50000At=0.01-0.05 sec Pressure…

Q: write down the solid state welding methods in items; write the principle of "Friction stir welding",…

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Q: 1. In your opinion which of the two welding techniques do you refer? Left hand or Righthand?

A: I always refer right hand welding technique, because it is more efficient than left hand welding…

Q: the resistance welding process giving the equipment, parameters controlled and its advantages.

A: Given: Resistance Welding To determine: the resistance welding process giving the equipment,…

Q: When steel is joined using arc welding, only the liquid fusion zone must be protected by a gas or…

A: A fabrication process where two or maybe more parts are fused together with the help of heat, the…

Q: Briefly explain the heat-affected zone (HAZ) in welding showing the microstructural changes with a…

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Q: why is arc shielding requried during arc welding ? how is the arc shielding accomplshed? provide the…

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Q: What effect does the end shape of the tungsten have on its own welding performance?

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Q: what are the assumption made in the design of welded joints

A: When two elements are joined by the filler material at high temperature it is called welding process…

Q: 5) The heat generated (H) in resistance welding is expressed by: O12Rt

A: Solution:

Q: 16)The ratio of aluminum and iron oxide in thermit welding is: O1.5:1 O 2:1 O 2.5:1 O 3:1

A: As per given question  We have find ratio between aluminium and iron in thermit welding

Q: What are the 4 catoegories of welding letter designations

A: The American Welding Society (AWS) had been established in 1919 and is a non-profit organization.…

Q: Give detail classification of all welding processes and their practical applications.

A: Welding is a process of joining two or more metal pieces or thermoplastic material pieces and joints…

Q: 3) During arc welding, the heat input per unit length reduces, with increase of (keeping other…

A: Arc Welding  It is a process of joining two workpiece by heating them upto there melting point temp…

Q: During arc welding, the heat input per unit length reduces, with increase of

A: Given Data⇒ Arc welding Heat input per unit length