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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
(a) Differentiate between carnot Heat pump and carnot Heat engine. What is the basic cycle for a carnot Heat pump ? Explain it. (b) A reversible heat engine delivers 0.6 K at po
#draw a net sketch of the geometry of a single point tool.
fire box
In an orthogonal cutting process, following data were taken. Chip length of 80mm was obtained with an uncut chip length of 200mm and the rake angle used was20 degrees and depth of
Clausiu s statement: It is impossible to construct this type of H.P. which operates on cyclic process and allows transfer of heat from colder body to a hotter body without th
In Tools and equipment we studied about the various tools and equipment used in service and repair of a motorcycle and for the troubleshooting. Acquainting with these will help you
Find out the proof load in close coiled helical spring: A close coiled helical spring is built of 6 mm diameter wire. The coil diameter is equal to 80 mm, number of coil is 10
MIS MIS:- Management Information System Produces reports on user demand MIS is use for the Decision making reports It Collect data form of all department then produce
Describe the use of computer in : (i) Design (ii) Manufacturing Illustrate the design process and application of CAD.
Prlblems 1 & 3 can you provide accurate and clear solved out solutions not done by computer either.
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