Shielding gases, Mechanical Engineering

Assignment Help:

SHIELDING GASES


Shielding gas is directed by the torch to the arc and weld pool to protect the electrode and the molten weld metal from atmospheric contamination. 


Argon and helium or mixtures of the two are the most common types of inert gas used for the shielding. Argon hydrogen mixtures are used for special applications. 


Related Discussions:- Shielding gases

Show produced water de-oiling unit, Q. Explain about water De-Oiling proces...

Q. Explain about water De-Oiling process? The De-Oiling process consists of three major components: The Surge and Skim Tank which reduces PW oil content to 100 ppm I

Vendor drawing and data review, The Mechanical Engineer/Specialist shall be...

The Mechanical Engineer/Specialist shall be responsible for specifying Vendor Drawings and Data Requirements in the MRQ and MRP using the WorleyParsons standard vendor drawing and

Design of screw feeder and screw conveyor, A new process plant for ore proc...

A new process plant for ore processing is currently being planned. The design is only in the first stage. However, three requirements have already been clearly stated: - The bins s

Plate shift drum stopper bolt and arm comp, Plate shift drum stopper bolt a...

Plate shift drum stopper bolt and arm comp Shift drum stopper : Ensure that the plate shift drum bolt is tight and in arm shift drum stopper assembly, check stopper arm bolt for to

Fundamental geometric transformation, Fundamental geometric transformation:...

Fundamental geometric transformation: The fundamental geometric transformation is Rotation, Translations and Scaling. Other transformations involve reflection and shearing. Tr

Thermodynamics, What is the concept of continuum? How will you define densi...

What is the concept of continuum? How will you define density and pressure using this concepts

Solve the equations by factorization method, a) Answer the following equati...

a) Answer the following equations by Factorization method 10x+y+z =12 ; 2x+10y+z =13 ; 2x+2y+10z=14 b) Apply Gauss-Seidal Iteration method to solve the equations 20x+y-2z

Calculate the internal pressure to cause first yield, A large hydraulic cyl...

A large hydraulic cylinder is to be treated using autofrettage, taking 80% of the wall thickness into the plastic range. The external diameter of the vessel is 200mm and the inter

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd