2) The loss of strength in HAZ of weld joints of work hardened Al alloys can be reduced by

Q: 9) The peak temperature experienced by the partially refined grain zone during welding of medium…

A: In the welding process, they are under Heat affected zone undergoes to change in material…

Q: A gas tungsten arc welding operation is performed using a current 650 A and arc voltage of 10 V at a…

A:

Q: Two pipes of inner diameter 100 mm and outer diameter 110 mm each are joined by flash butt welding…

A:

Q: What does liquid-solid phase bonding mean and in which cases is it preferred over welding? What does…

A: The liquid-solid phase bonding is a joining technique that has been used to join a variety of…

Q: The purpose of heat treatment procedure for quenching is

A: Given Quenching process To find Purpose of quenching process

Q: y the types of cracking in a fusion pint

A: Last option is correct.

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: 10)Increase of oxygen concentration in we pool of carbon steel will Increase strength Increase…

A: Given:Adding oxygen in weld pool, we will get the smooth weld and smooth weld pool,

Q: is often used for welding materials that can accept only a low heat input, e.g. certain stainless…

A: Laser beam welding is often used for welding materials that can accept only a low heat input.  Laser…

Q: 3) Improper cleaning of faying surfaces during fusion welding of carbon steels will primarily lead…

A: Given:Fusion welding:This is the process to join two or many materials by heating them upto the…

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

A: Heat treatment in welding operation :

Q: Arc welding is a pressure welding process. Select one: True False

A: The pressure welding uses friction to join the sections of metal workpiece and join them under the…

Q: Two dissimilar metallic alloys, a plate of mild steel with a larger piece of austenitic stainless…

A:

Q: Choose the correct option

A: The correct option is II graph shown correct

Q: ead-tin (Pb-Sn) is an eutectic type of phase diagram. At 183 °C, liquid (61.9 wt.% Sn), solid tin…

A:

Q: Provide a reasonable explanation for the following observation: a welded component made of Al…

A: The welding of metals can lead to many defects in the material, majorly because of the heat to which…

Q: the net heat input per unit length of the weld.

A: Given data;  Gas tungsten arc welding operation is performed using Voltage=30 V Current=520 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: QUESTION 1 In an arc welding operation, a groove weld has a cross sectional area=0.055 in2 and is 24…

A:

Q: What is welding and what type of fastening is it? Draw any four elementary weld symbols with its…

A: Solution:

Q: In welding of metals, molten metal is deposited between the two objects that are to be welded…

A: The objective of the question is to understand the changes in the microstructure of a hypereutectoid…

Q: Q2) Answer the following questions:- (A) What is the Flux? Explain the purpose and the uses of the…

A: Welding is the process in which two metals or materials are joint with each other. In this process…

Q: the net heat input per unit length of the weld.

A: Given data;  Find net heat input per unit length of the weld ? Where,  current=120 A   voltage=10 V…

Q: When welding using Oxyacetylene method on medium or high carbon steels, which type of flame is…

A: When welding using Oxyacetylene method on medium or high carbon steels, which type of flame is…

Q: e the directions of reactions in the joints in the statec, please explain to me

A: The direction of the forces and moments acting on the connected objects must be an allowable…

Q: of electrode : 600 J/kg-K erature of elect ode 1530°C

A:

Q: 13) Using a blend of Ar / 02 during the, FCAW process results in: Have a deeper penetration profile…

A: FCAW(Flux cored arc welding is identical to metal arc welding.  It combines the two welding…

Q: Which of the following processes are classified as fusion welding: (A) Arc welding (B) Oxyfuel gas…

A: Fusion weldingFusion welding is a  welding processes in which a heat source generates sufficient…

Q: 1. Fusion welding means that the two surfaces to be joined and the filler metal are meling during…

A: in fusion welding a filler material is liquified and deposited into the gap between , which then…

Q: what is the thickness of the weld nugget assuming it has a uniform thickness?

A: I = 11000 A R = 0.000130 ohm t = 0.25s H = I2Rt = 11,0002 (0.000130)(0.25) = 3,930 J

Q: Using illustrations mention the types of flames in the Oxyacetylend Welding.

A: Oxyacetylene weld is a gas weld process where acetylene is burn with the help of oxygen to produce…

Q: Give information about hydrogen embrittlement in the weld.

A:

Q: classification of all weldin  processes and their practical applications

A: TO define: classification of welding process and applications

Q: 1) The development of residual stresses in weld joint is due to? Heat treatment operations OUnevenly…

A: Residual stresses are the stresses that remains in the material even after the removal of the force…

Q: A U-groove weld is used to butt weld 2 pieces of 7.0-mm-thick titanium plate. The U- groove is…

A:

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: the net heat input

A: Given data;  Current=250 A Voltage,v= 20 V Welding speed,=5 mm/s Arc efficiency=70%=0.7Determine the…

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: Butane gas is used in gas welding process. Select one: True False

A: Gas welding is the process that melts and joins metals by heating them with heat caused by gas and…

Q: the net heat input per unit length of the weld.

A: Given data; A gas tungsten arc welding operation is performed using;  Current,c= 550 A  Voltage, v=…