Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Cellulosic ElectrodesIn the AWS E 6010 and E 6011 series of electrodes, the protective covering is composed of cellulose (C6H10O5) and silicate binders. The cellulose decomposes in arc accordings to the following equation:(C6 H10 O5 + 0.5 O2 = 6 C+ 5 H2)Cel lulose + Oxygen = Carbon Monoxide + Hydrogen. The products of this reaction, carbon monoxide and hydrogen represent a total of 400 times increase in the volume of gas generated over the volumes of the unburnt coating. These gases rush outward from the arc and push the atmosphere away from the puddle. The gas produced raises arc voltage and thereby increases the amount of heat produced from the electricity in the arc. The cellulose electrode has therefore, a very hot arc even at lower current value and this together with the gases evolved from the coating at high pressure give rise to a "digging" arc and deep penetration. Naturally there is very little slag formed, and this makes welding possible in all positions.This electrode is extremely good for pipe welding. The weld metal is of good quality. It generally meets with high pressure tests & X - ray tests very easily. This electrode requires a slightly longer arc for complete burning of the cellulose in the flux coating.
What are the Special Considerations in Planning The dimensions of the foundation should be such that for low-speed machines (operating speed less than 500 rpm) the natural fre
(a) Write short note on steady flow energy equation and its applications. (b) A heat engine operating between two reservoirs at 1000k and 300k is used to drive a heat pump which
Defects Involving Inadequate Bonding Lack of fusion Involves lack of complete melting and fusion of some portion of the weld metal in a joint. It may occur either bet
How can I achieve a back and forth movement of carriage system. How can I reverse the motor to go back and forth.
PROJECTS
Maintenance of Railway Line Importance of Maintenance The need for maintenance of railway lines arises out of the following considerations : (a) The track rests on
Q. What is Hot extrusion? Hot extrusion is a hot working process, which means it is done above the material's recrystallization temperature to keep the material from work harde
solved problems
explain about universal drilling machine
WHAT IS CALGON CONDITIONIMG
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd