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

Find the coefficient of friction between ladder and floor, Find the coeffic...

Find the coefficient of friction between ladder and floor: A ladder of 5m long rests on horizontal ground and leans against smooth vertical wall at an angle of 70° with the h

ESSENTIALS OF PROJECT MANAGEMENT, Ask qu1. A small maintenance project cons...

Ask qu1. A small maintenance project consists of the following 10 jobs, whose precedence relationships are identified by their node numbers: JOB NODE NUMBERS ESTIMATED DURATION (DA

Determine the load on beam, Determine the load on beam: A rectangular ...

Determine the load on beam: A rectangular beam of width 200 mm and depth 300 mm is simply supported over a span of 5 m. determine the load that the beam may carry per metre le

Determine coefficient of friction, Following data is provided for a 360 o ...

Following data is provided for a 360 o hydrodynamic bearing : Radial load = 3.2 kN journal Speed =1490 rpm journal diameter = 50 mm bearing length = 50 mm radial cl

Can you explain bentonite binders, Q. Can you explain Bentonite binders? ...

Q. Can you explain Bentonite binders? Its general composition is MgO.Al 2 O 3 .Sio 2 .H 2 O. it is formed by weathering of volcanic or igneous rocks. It is a creamy white powde

Objectives of motorcycle repairing , Objectives: After studying this unit ...

Objectives: After studying this unit and subsequent practicing, you should be able to acquire the skills required for troubleshooting of a motorcycle and identify different

Calculate the induction motor efficiency, Question: Characterisation te...

Question: Characterisation tests have been performed on a four pole, 415 V (line to line), three phase, star connected, 50Hz induction motor, with the following results:

Determining the largest eigenvalue, The Power Method is a classic numerical...

The Power Method is a classic numerical algorithm for determining the largest eigenvalue and eigenvector associated with a matrix A. Write a matlab function that returns the larges

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