1) Which of the following processes can be used as alternative technique for joining aluminium and its alloys? Tungsten inert-gas welding O Metal inert-gas welding Friction stir welding ) Oxy-Acetylene flame technique

Q: Two stainless steel foils of 0.2 mm to be joined. Which of the following process is best suited? MIG…

A: The correct answer is plasma arc welding.    Welding of stainless steel foils of 0.2 mm require…

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: Which one of the following arc welding processes produces the highest temperatures? * O SAW O CAW O…

A: It is asked that which arc welding can produce high temperature. SAW - it is submerged arc welding…

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

A: Answer :- Option (d)

Q: QUESTION 8 Oxyacetylene welding can be used for cutting metals with the same welding torch True…

A: Gas welding: It is a permanent joining process which melts the metal joints with the help of heat…

Q: Questions: 1. a) With a neat diagram explain types of flames in gas welding. Write any one…

A: Gas welding: This is a type of a welding process in which the materials joins by heating and melting…

Q: a). Explain the three types of flames produced in the gas welding process. b). Explain the soft…

A:

Q: Which one of the following is not a fusion welding process? (a) Gas welding (b) Arc welding (c)…

A: In fusion welding,  the parent metal melts for forming a joint. In non fusion welding,  the parent…

Q: 33- Which one of the followings is not used for heating the joining materials for soldering and…

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: 31 Which one of the following process is classified as solid state welding? a) laser welding b)…

A: Solid state welding: It is a welding process, in which two work pieces are joined under a pressure…

Q: Which group of electrodes are best suitable for high temperatures during resistance spot welding?…

A: Spot welding- It is one of the type of resistance welding used for joining of sheet metals. Two…

Q: 1) The temperature range in plasma arc welding is of the range? O 35000-40000°F O 40000-45000'F…

A:

Q: O)Which of the following can be easily welded from flash butt welding process? OTin OLead O Cast…

A: Flash butt welding is the resistance welding type in which two material are joined by making small…

Q: 12- Brazing and soldering are attractive comparing to welding for some situations: I. the metals…

A: It is required to determine in which situation brazing and soldering is used

Q: Define welding process.what are the limitations and drawbacks of welding in the field of Mechanical…

A: This question is based on the concept of welding

Q: 2) In activated flux TIG welding, which shortcoming of the conventional TIG welding process is…

A: It is required to choose correct option

Q: 4) Which material cannot be weld using friction stir welding process?

A: Answer is Gold.

Q: Which of the following  welding processes does not use consumable electrodes? a. Gas Welding b.…

A: Which of the following  welding processes does not use consumable electrodes? a.Gas Welding…

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: 17. When it's necessary to reduce the alloying elements lost in a welding operation, which of the…

A: First let us understand what is the meaning of alloying elements, they are the elements that…

Q: Which of the following is true about soft-soldered joints?   a. High power is required.   b. Can…

A: Soldering: Soldering is a metal-to-metal joining procedure in which solder is melted and used to…

Q: 7) Which one of the following welding process referred as a dielectric welding process?

A: Dielectric welding: It is a welding process used to join the sheets of polar thermoplastic material…

Q: What is the approximately temperature of arc needed for arc welding? O 600-1000°C O 6000-8000°C O…

A: Solution:

Q: Which of the following is not a factor that strengthened soft solder joints? a. Solder composition…

A: Soft soldering is a technique for connecting metals that uses a Eutectic Tin/Lead Alloy.…

Q: (b) Describe the principles of following welding methods. (i) (ii) (iii) (iv) MIG welding TIG…

A: GIVEN-            TOPIC WELDING PROCESS FIND- PRINCPLES OF DIFFERENT WELDING PROCESSES        I -…

Q: 2) Which one of the following statement is .. not pertaining to ultrasonic welding process?

A: Ultrasonic welding: It is a solid state welding process in which two materials are rub against each…

Q: Which one of the assembly processes require metal fusion?   a)Adhesive bonding b)Rivet fastening…

A: Which one of the assembly processes require metal fusion? Answer: d) Arc welding

Q: Which one of the assembly processes does not require metal fusion?     Gas welding       Adhesive…

A: There are two types of welding operations: 1) Fusion welding: parent metals are melted. 2) non…

Q: What term describes the fusion or growing together ofthe grain structure of the materials being…

A: The term describes the fusion or growing together of the grain structure of the materials being…

Q: 1) Which of the following is an example of solid-liquid joining process? Friction welding Tungsten…

A: friction welding: friction welding is done by using ruption between two metals so this is not a…

Q: Which of the following is not a commonly used flux in welding process? O Potassium Boron O Sodium O…

A: Flux is used in Welding process in order to avoid oxidation  of base metal that is to be weld. And…

Q: Select TWO (2) types of arc welding processes that are suitable for welding hot passes quickly and…

A:

Q: Select TWO (2) arc welding processes that are suitable for performing rapid welding task especially…

A: Given: To give TWO arc welding processes that are suitable for performing rapid welding task…

Q: How is a flux cored arc welding (FCAW) electrode wire different from a gas metal arc welding (GMAW)…

A: It is required to differentiate between FCAW and GMAW electrode

Q: Which of the following best explains why the exothermic nature of the reaction is important to the…

A: Here option (D), The reaction releases heat, which is then absorbed by the products, so they melt,…

Q: 5) Which one of the following options is true about friction stir welding? Fine microstructure is…

A: Solution:

Q: In an arc welding process, which of the following parameters has most influence on the material…

A: Explanation  Marangoni effect: Due to marangoni effect thetransfer of mass take place at the…

Q: B. In arc welding process. What role does electrode coating play in producing a satisfactory weld?

A: The arc welding process is a special type of process in which arc is used to heat and melt the metal…

Q: In any structure, vicinity of weld zone which type of stress develops during the process of welding?…

A: Tensile residual type of stress develops during the process of welding

Q: 217) State the colour code used to idenlıly oxygen and acetylene gas botles/cylinders for oxy-…

A: Concept Of Oxy-acetylene Welding

Q: Select an appropriate weld technique and joint design for welding 150mm of thick material.

A: following is the answer to the question-

Q: 9) Which of the following joining- techniques are referred as dual shield welding process? O PAW O…

A:

Q: What properties of a metal can be affected by the choiceof welding process?

A: In the welding process, most of the properties of the metal are affected, While welding the material…

Q: Which one of the assembly processes does not require metal fusion?         a)Gas welding…

A: In adhesive welding, it is not required to melt and fused together.

Q: In gas welding process, which among the following type of flame where Acetylene is in excess…

A:

Q: Which of the following processes isn't related to the fusion welding? a. electron beam welding O b.…

A: Correct option: (c) diffusion welding