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Wire Feed SystemThe submerged arc welding machine of the wire feed control may be of the following types:1. Voltage sensitive system2. Constant wire feedThe voltage sensitive system operates on the principle of feed back control method. The wire is driven by a variable speed DC motor. The arc voltage is monitored by a sensing element, amplified and fed to the armature of the wire feed motor. Thus, the wire feed rate increases when the arc voltage rises up and vice versa. The arc voltage remains constant during the process. The constant wire feed system operates through a constant speed motor, usually an induction motor. No feed back control is used in this system. This system is used in conjunction with a constant voltage or constant potential characteristic power source. The arc voltage is constant in this system due to the self adjusting nature of the constant voltage power sourc
differentiate between kinematic chain and mechanisms
what are the common application of statics in industry
Necessity of Suspension System Not to transmit road shocks to the motorcycle components. To guard the driver from road shocks and to make sure the stability of the ve
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4 Explain the Methodol
Q. Explain Coating Repairs? Any coatings found to be damaged or that do not pass the inspection stage shall be recoated or repaired at the expense of the Applicator. The entire
list 5 important factors in the design of a workshops layout
Q. Flange Assembly with Bolt Tensioning? Measure the free length of the bolts ultrasonically. This must be done prior to applying any load to the bolt. Install bolts on the
Types of Bridges and their Suitability: Bridging is a specialized filed of engineering science. It has very high degree of sill and expertise in this field, gathered from brid
Enthalpy defines as heat content of a chemical system.
2. Assume that the river has been selected as the source of raw water for the 2.0mgd demand. a. Surface water has low alkalinity, high turbidity. The distribution system is cast
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