5) Which one of the following options is true about friction stir welding? Fine microstructure is produced.

Q: List Down Three (3) Categories of Joining Processes and Compare Them.

A:

Q: A GTAW operation is performed on low carbon steel, whose unit melting energy is 10.3 J/mm3. The…

A: Given data: η1=0.7η2=0.65E=22 VI=135 AEm=10.3 J/mm3v=5 mm/s Need to determine the cross-sectional…

Q: 3. What are the characteristics of the different welding rods use in oxy-acetylene welding? Please…

A: given; what are the characteristics of the different welding rods use in oxy-acetylene welding?…

Q: 10)Which of the following statements are pertaining to laser transmission welding? I. Fast cycle…

A: Following problem is based on Laser beam welding :

Q: Why is cost a consideration in joint design?

A: The joint design is one major way to control welding cost. If any changes in the design can reduce…

Q: A welding operation is time-studied during which an operator was pace-rated as 120%. The operator…

A: Given:Pace rating=120 % or 1.2Allowances=10 %

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: 8) Which one of the following statement is - not correct about ultra short pulse laser welding? a)…

A: The given problem is based on welding technique in manufacturing engineering.

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 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: Discuss any five differences between the soft soldering and hard soldering process used in joining…

A: Soldering is the joining process of similar or dissimilar materials with the help of filler…

Q: Assume that two 1.5-mm thick steel sheets are being spot welded at a current of 4000 A and…

A:

Q: Mention the main groups of processes that are contained in fusion welding.

A: The group of process contained in the fusion welding is as follows: 1. Induction welding: In…

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: A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and…

A: Option A is the correct answer.

Q: Calculate the heat input during the arc welding process, if the voltage is 33 volts, current is 115…

A:

Q: In order to prevent oxidation and retain molten metal in stud welding which of the following is…

A: The given question is on the concept of stud welding

Q: 2) Which of the following is NOT true about friction stir welding? O It is a solid state process…

A: As per given question  We have to choose which one is not true about friction stir welding

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: 8) The correct ways to control liquation cracking tendency in fusion weld joint are I. Use of filler…

A: The way of arranging and control liquation cracking tendency in fusion is iii, iv and v

Q: What percentage of a change are we allowed in travel speed when welding flux core?

A: The MIG welding technique has developed into flux core welding or tubular electrode welding to…

Q: Q6. Identify four(4) types of defect in welding. How to minimize these defects defects minimize

A: Hot cracks. These can occur during the welding process or during the crystallization process of the…

Q: What unusual metal combination can be welded usingpercussion welding?

A: Percussion welding (PEW) is a type of resistance welding that blends dissimilar metals  together.…

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

A:

Q: What are the advantages and disadvantages of welding as compared to other types of assembly…

A: Welding is metal joining process in which heat is used to heat the material up to its melting point…

Q: The primary purpose of heat application in deformation based joining processes is

A: The primary purpose of heat application in deformation based joining processes is when

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: TIG welding is characterized as

A: Given: TIG Welding To determine: TIG welding characterize as

Q: 21 Which statement is false for Laser beam welding?

A:

Q: A. In arc welding, what is the importance of heat effected zone in producing a crack free weld?

A: Concept: 1.In arc welding, the electrode is cathode and the workpiece is anode.  2.When power supply…