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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.
In a 4-Bar process the following data is given :- Length of crank (AB) = 300 mm, Length of link AD = 600 mm, Length of links BC = CD = 360 mm, Angle BAD ie ∠BAD = 60o ,
Define the Gear Hobbing This is the most productive of all the gear production processes. However, it can only be used for producing spur gears and worn gears. It cannot be use
A pump station has been designed to lift water out of a 6 metre deep pit (vented to atmosphere) via a centrifugal pump mounted at ground level. Liquid conditions
A28) cm diameter pipe carries oil of sp. gr. 0.9 at a velocity of 3 m/s . At another section diameter is 20 cm. find the velocity at this section and also mass rate of flow of oil.
(a) Illustrate why a rich mixture is required for the following (i) idling (ii) sudden acceleration (iii) Maximum power (b) A simple jet carburetor is required to supply 5Kg
what is SFD and BMD? EXPLAIN
What are the forces coming on workpiece during turning and how workpiece should be clamp?
Determine the ratio between moment and load: Any close coiled helical spring of circular section extends 1 mm while subjected to an axial load of W and then given an angular r
With the assistance of the airplane information and the Dutch roll approximation values shown in Table Q3: Table Q3 (a) Determine the Dutch roll eigenvalues. (b) Dete
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
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