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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.
Q. Mechanical Data for Line Designation Tables? Line Designation Tables (LDT's) are initially generated by the Piping designers. Design conditions are inputed by the Process di
Q. Explain basic types of Sand testing? Moulding sands should be of proper quality to meet the required level of accuracy and surface finish of castings. Proper quality of the
Codes and Standards for steam generator All equipment purchased, and installation work done, shall be in accordance with the: • Canadian Electrical Code • Alberta Electri
(a) Describe the terms "Fluid jet" and "Vane" in Fluid Machine. (b) What is impulse - momentum principal in analysis and design of turbo machines.
Interpoles or commutating poles Interpoles are ?xed to the frame in among main poles. They are used for sparkless commutation, i.e, to improve commutation.
Theory of Constraints: Goldratt's theory of constraint has attracted the attention of several practioners in the industry. His concept of goal, constraint, and throughput, cri
Power transmission in vehicle
Screw Conveyors: Screw conveyors are used principally for transmitting materials in the form of powder or paste with the application of rotating screw. For example feedin
Chisel: Chisels are used in the combination of hammer to remove metals. A set of chisels is shown in Figure. Figure: Chisel
Describe the Mechanics of orthogonal cutting. What is chip thickness ratio and formulae for it ? Explain Shear angle relationship based on Merchant's minimum cutting energy prin
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