Selection of elctrodes, Mechanical Engineering

Assignment Help:

Q. Describe the Selection of elctrodes?

The selection of a proper electrode for electric arc welding is very important to obtain a sound welded joint of proper strength. The various factors affecting the selection of electrodes are:

• Power source: A.C. or D.C.

• Composition of base metal.

• Thickness of base metal.

• Welding position.

• Welding current conditions recommended by the manufacturer of the electrodes.

• Mechanical properties desired in the joint.

• Extent of penetration required in welding.

• Economic considerations.


Related Discussions:- Selection of elctrodes

Determine the rate of heat removal - mechanics, Determine the rate of heat ...

Determine the rate of heat removal: Carbon dioxide passing through heat exchanger at rate of 100kg/hr is cooled down from  800 0 C to 50 0 C . Write down the steady flo

Design concrete pedestal for steel column carrying dead load, Design a conc...

Design a concrete pedestal for a steel column carrying a dead load of 600 kN and an imposed load of 600 kN. Assume the base plate is 350 mm x 350 mm M20 grade concrete and F e , 41

Define the effect of feed, Define the Effect of Feed Increase in feed r...

Define the Effect of Feed Increase in feed rate deteriorates surface finish. It is observed that a rate of feed in the range from0.12 to 0.15 mm per revolution has a negligible

Section modulus and value of bending moment, Q. Wha t do you mean by secti...

Q. Wha t do you mean by section modulus ( Z )? What is value of bending moment in the terms of section modulus? Sol.: Section modulus is ratio of M.I. about neutral ax

Direct and bending stresses, Direct and Bending Stresses: defined n...

Direct and Bending Stresses: defined neutral axis, introduced the influence of axial force and bending moment on different sections, attained the core or kernel of di

Carbon monoxide-general safety tips , Carbon Monoxide:  If the engine has ...

Carbon Monoxide:  If the engine has to be started make sure the area is well ventilated. Never start the engine in an enclosed area without using the exhaust duct, since exhaust g

Metal transfer in co2 welding, METAL TRANSFER IN CO2 WELDING In CO 2 wel...

METAL TRANSFER IN CO2 WELDING In CO 2 welding, two distinct types of metal transfers are identified viz. short circuiting transfer and free flight globular transfer. Short Cir

Find out the centroid of the shaded area, Find out the centroid of the shad...

Find out the centroid of the shaded area: Find out the centroid of the shaded area illustrated in Figure (a). Solution The shaded area A may be considered as the

Determine the machine working, Determine the theoretical COP for a CO 2 ma...

Determine the theoretical COP for a CO 2 machine working between the temperature range of 25 O C and -5 O C. the dryness fraction of CO 2 gas during the suction stroke is 0.6. fo

What is vibration?, Describe vibration, How to calculate vibration?

Describe vibration, How to calculate vibration?

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