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

Jet pump, full detail of jet pump nozzle design

full detail of jet pump nozzle design

Describe root-finding techniques, In mechanics, stress is a measure of the ...

In mechanics, stress is a measure of the internal forces acting within a deformable body. Quantitatively, it is a measure of the average force per unit area of a surface within the

Front wheel drive vehicles, (a) Explain safety features of latest vehicles....

(a) Explain safety features of latest vehicles. (b) Discuss the advantages and disadvantages of front wheel drive vehicles over rear wheel drive vehicles.

Importance of molliers diagram, Describe the key terms i. Write two diff...

Describe the key terms i. Write two differences between turbine and boiler. ii. Write importance of mollier's diagram iii. Compare the rankine cycle with carnot cycle in k

Determine the heat capacity, A chemical works produces an aqueous effluent ...

A chemical works produces an aqueous effluent at above ambient temperature. The Environmental Agency insists that before the effluent is discharged to the river, it must be cooled.

Compressive strain, Compressiv e Strain: When the compressive load ac...

Compressiv e Strain: When the compressive load acts on body then there will be an increase in cross sectional area and decrease in length of body. The ratio of reduction in l

Find out change in length of circular bar, Find out change in length of cir...

Find out change in length of circular bar of uniform taper Sol.: The stress at any cross section can be found by dividing load by area of cross section and extension can be

Determine magnitude of the couple, Determine magnitude of the couple: ...

Determine magnitude of the couple: A square block having each side 1.5 m is acted upon by system of forces along its sides as shown in the adjoining figure. If system reduces

What is the specific weight of the timber, (Buoyancy; force & moment balanc...

(Buoyancy; force & moment balance) A partially submerged, homogeneous timber is 0.15m by 0.35m in cross-section. What is the specific weight of the timber and the tension in the r

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