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Welding HeadSubmerged arc welding head consists of the wire spool, wire feed system, flux delivery hopper and electrical contact nozzle. The electrode wire is unwound from the spool by the power driven rolls, straightened by a set of pressure rolls and fed through the contact nozzle into the weld pool. The drive for wire feed is from a motor with speed control provided either by means of a gear box or by means of thyristor controls.
Drive the expression for critical pressure ratio for steam nozzle and illustrate critical pressure. Air flows in a 200cm 2 duct at a velocity of 180 m/s, a pressure of 119 KPa
Q. Define Carbon steel? At ambient temperatures and under dry conditions, caustic is not particularly corrosive and can be handled in carbon steel. However, stress corrosion c
Can you show us - Overall length of external surfaces, cm In image Material Cast Overall length of external surfaces, cm 0 to 30 30 to 60 60 to 105 1
Define the Ideal Surface Roughness The ideal surface roughness represents the best possible finish which may be obtained for a given tool shape and can only be approached if bu
Insulators Thermal insulators are essential in industrial practices, domestic and equipment appliances. That type of materials is basically those that do not have free electro
Illustrate the terms : (i) State (ii) Process and (iii) Cycle What is a quari static process ? Illustrate with an example. What are point function and path function.
(a) Describe a vector and scalar ? (b) What is meant by line of action of vector ? (c) What are displacement vectors and position vector ? (d) Calculate the component of t
5. Calculate and draw the Shear force and Bending moment diagrams for the loaded beam and determine the maximum moment M and its location x from left end
diference between thermal and thermodynamic equallibrim
Is there a metal that does not contain iron? Ans) Most commercially available aluminum having some other materials, but only accidental traces of iron, if any. For example, Copp
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