In GTAW the welding cable is connected to the tungsten electrode through a water-cooled copper contact tube, as shown in picture below. Why is the tube positioned near the lower end of the electrode instead of the top?

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

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

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Q: Discuss the Quality of flame required to do gas welding and give any four advantages of gas welding.

A: Quality of flame used in gas welding

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

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Q: differences between brazing and oxy fuel gas welding Propose any two welding defects that can be…

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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: Explain the welding method used for welding more than 25 mm thickness mild steel plates with neat…

A: Solution:

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: Question No.14. Backhand technique used in gas welding is suitable for joining Thin sheets O…

A: Backhand welding: It is a welding technique under which the worker welds the objects from left to…

Q: 4) In the non-transferred plasma arc welding process, arc is struck between the tungsten electrode…

A: Plasma Arc Welding (PAW) is an arc welding process similar to gas tungsten arc welding(GTAW).

Q: alculate the electrode tip diameter if the thickness of low carbon steel type of material is 1.2mm.

A: Given:- Electrode tip t=1.2mm=0.0472441 To find: Tip diameter

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: Thermit, used in thermit welding is, a mixture of: O Charcoal and aluminum Charcoal and iron oxide O…

A: Thermit is the raw material used in connecting conductors and provide mechanical strength and…

Q: ace of nitr

A: introduction: Nitrogen is employed in some heat treatments and can be used as a shielding gas for…

Q: Question No 15. Which of these method is suitable for joining an air tight or liguid tight container…

A: Option d is correct.

Q: Please answer the attach file

A: *Due to Bartleby policy, only one question can be answered in case of multiple question. If you need…

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= 300 A  Voltage,v=…

Q: In Resistant Spot Welding (RSW), select TWO (2) appropriate type of electrode material when joining…

A: Given: To determine  TWO (2) appropriate type of electrode material when joining non-ferrous metals

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: 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=…

Q: Enumerate the types of joint in welding.

A: there are several basic welding jointe are.... Butt joint. Tee joint. Corner joint. Lap joint. Edge…

Q: During a fatigue test, the number of loading cycles to failure with increasing applied load.…

A: Given Fatigue test EMF series To find During fatigue test the number of loading cycle to failure…

Q: elding gas have on some rutil

A: given: What benefits does adding an externally supplied shielding gas have on some rutile based…

Q: The function of gas regulators in the cylinders of gas welding is to:     Increase the flow of the…

A: The function of gas regulators in the cylinders of gas welding is to: Control gas Pressure Keep…

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

A: Given data; A gas tungsten arc welding operation is performed using following data;  Arc…

Q: 9. For spot welding of two steel sheets (base metal) each of 3 mm thickness, welding current of…

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

A: Given data;  Determine the net heat input per unit length of the weld ?  Current,c= 450 A…

Q: A gas tungsten arc welding operation is performed using a current 350 A and arc voltage of 25 V at a…

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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: 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: What is the higher voltage at the electrode before the arcis struck called? What is its advantage to…

A: Arc welding is the process of joining metal pieces together with high heat from an arc that is…

Q: gh illustrations explain the process of TIG W

A: introduction: we  have to explain about TIG welding.

Q: (b) Illustrate the schematic diagram of shielded metal-arc welding process.

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Q: 7) In plasma arc welding torch, a- tungsten electrode is located within the nozzle, which is…

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Q: 7) The temperature attained at the inner white cone in the oxy-acetylene welding is 1275°C 2100°C…

A: Welding is a fabrication method that involves fusing two or more pieces together using heat,…

Joining Processes

It is the process of permanent or temporary joining of two metal pieces with the help of heat or pressure. Two metal parts are assembled by applying an energy source for the formation of a single unit. The obtained joined metals cannot be fragmented easily with the application of any force.