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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.
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Find out the angle of force: Q: A uniform wheel having 60 cm diameter weighing 1000 N rests against rectangular obstacle 15 cm high. Find least force required which when ac
temperature measurement by thermocouple
Explain Newton's Law of cooling. What do you mean by convective Heat Transfer coefficient ? What are the factors on which co-efficient of convective heat transfer (h) depends upon
Q What do you know about Series welds in spot welding? It is a welding method in which two or more spots are produced simultaneously with only one common but indirect current p
determine the vertical deflection at end A neglecting shear
Q. Illustrate the process of insulation on pipe? Factory fabricated sectional pipe insulation shall be applied in staggered joint construction and secured with wire loops or ba
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Determine the maximum bending moment: A 12 m span simply supported beam is carrying a consistently distributed load of 2 kN/m over a length of 6 m from the left end and point
Wave Retarders in Tandem Write the Jones matrices for the following retarders: (a) A π/2 wave retarder with the fast axis along the x direction. (b) A π wave retarder with
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