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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. Scope of pipeline systems? This specification covers the specific materials, surface preparation, method of application, quality assurance, and repair necessary for the appl
Diode: It allows the current to flow in one direction only and offers infinite resistance in other direction. It rectifies the alternating current that is why we call it rectifie
Q. Describe the Insulation thickness? Insulation thickness shall be selected in accordance with the following tables forming part of this specification: Table I Outdoor Hot
Lubrication Complaints If the engine oil level is too low, check for the following things: External oil leaks Worn out piston rings Worn out valve guide and/o
Write an essay on air, water and soil-based heat pumps. Discuss the advantages and the disadvantages of each system. For each system identify the conditions under which that system
WHAT IS THEMODYNAMICS
Forces in the members of the truss: Find out the forces in the members AB , BC , AC of the truss shown in the figure drawn adjacent. Sol.: First determin
Q. Source of Materials? The user may restrict sources of fabrication materials. If there is a restriction, the prospective manufacturers must be informed at the time of biddin
how will u designate a v belt
Spot welding of different metals Though, mild steel is t he metal most commonly used, any prime metal or alloy can be successfully spot welded provided that machine with suitab
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