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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.
Find out horizontal and vertical components of hinge force: The frame shown in Figure is supported by a hinge at E and a roller support at D. Find out horizontal and vertical
Calculate the magnitude of maximum bending moment: The shear force diagram for the overhanging beam is illustrated in Figure. Draw the loading diagram & bending moment diagram
what is mean by precipitation hardening?
Define O.R. and what are the applications in Industry ? A firm uses lathe, milling and Grinding machine to make two machine parts. The table below show the machining time requir
Flight of the Bumblebee Railroad train T a leaves station A at a uniform speed of 30mph toward station B. Train Tb leaves station B at a uniform speed of 20mph toward station
How is bearing capacity of soil varied? The bearing capacity of soil varies not only with its strength but also with the magnitude and distribution of the load. When a load Q,
Tunnels: Tunnels become unavoidable for negotiating hills, where detours are costly. The tunnels in rock are not lined, but those in loose strata require a lining of cement c
Q. Corrosive properties of caustic? Sodium hydroxide, more commonly known as Caustic Soda or simply ‘Caustic', is widely used in the petrochemical industry to neutralize acidic
Q. can you explain Shell molds? These molds are prepared by pouring a mixture of sand and thermosetting resin over the heated surface of a metallic pattern, which results into
Brazing Vs Welding Following are the differences between brazing and welding. (i) In brazing, the joint surfaces are not raised to fusion point (or melted) and the joint is
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